user: You are a structured reasoning expert tasked with solving problems step by step. 
You first think about the reasoning process in the mind and then provide the answer. The reasoning process and answer should be enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think> reasoning process here </think> <answer> answer here </answer>. 
Given a question and the associated knowledge graph triplets (entity, relation, entity), you are asked to answer the question with these triplets and your own knowledge. 
You can break down the original question into several sub-questions and explore the given knowledge graph to solve them step-by-step. If there are multiple possible answers, choose one as the final answer. 
After thinking, when you finally reach a conclusion, clearly state the answer within <answer> </answer> tags, i.e., <answer> answer here </answer>. 
Question: who fought the battle of gettysburg? 
Knowledge Triplets: Battle of Gettysburg, military.military_person.participated_in_conflicts, Charles Coster
Battle of Gettysburg, military.military_person.participated_in_conflicts, William Whedbee Kirkland
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Charles Coster
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Bell Hood
Elon J. Farnsworth, people.person.nationality, United States of America
Lucius Fairchild, people.person.nationality, United States of America
John Bell Hood, military.military_person.participated_in_conflicts, Battle of Gettysburg
Henry Baxter, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George S. Greene
Edward Porter Alexander, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, John D. Imboden
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Augustus Pearl Martin
Battle of Gettysburg, base.culturalevent.event.entity_involved, Robert E. Lee
Joseph B. Kershaw, military.military_person.participated_in_conflicts, Battle of Gettysburg
Ambrose R. Wright, people.person.nationality, United States of America
George P. Doles, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Alfred Iverson, Jr.
William Smith, people.person.nationality, United States of America
J. H. Hobart Ward, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, base.culturalevent.event.entity_involved, Robert E. Lee
Leonidas L. Polk, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, George Pickett
Junius Daniel, people.person.nationality, United States of America
Horatio Wright, military.military_person.participated_in_conflicts, Battle of Gettysburg
George Sykes, people.person.nationality, United States of America
Joseph R. Davis, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John W. Geary
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lafayette McLaws
Alpheus S. Williams, people.person.nationality, United States of America
Adams County, location.administrative_division.second_level_division_of, United States of America
Richard B. Garnett, military.military_person.participated_in_conflicts, Battle of Gettysburg
James Henry Lane, military.military_person.participated_in_conflicts, Battle of Gettysburg
William T. Wofford, people.person.nationality, United States of America
Battle of Gettysburg, base.culturalevent.event.entity_involved, Union
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Henry Warner Slocum
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Richard L. T. Beale
James S. Wadsworth, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Lucius Fairchild
George S. Greene, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lafayette McLaws
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Barksdale
Battle of Gettysburg, by Currier and Ives, common.image.size, m.02bcjj5
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George H. Steuart
Hugh Judson Kilpatrick, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John F. Reynolds
Oliver O. Howard, military.military_person.participated_in_conflicts, Battle of Gettysburg
Joshua Chamberlain, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Paul Jones Semmes
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George S. Greene
David B. Birney, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Harry T. Hays
Battle of Gettysburg, military.military_person.participated_in_conflicts, John Buford
Lewis Armistead, people.person.nationality, United States of America
George T. Anderson, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Mahone
William R. Terry, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, James A. Walker
Edward E. Cross, people.person.nationality, United States of America
Battle of Gettysburg, location.location.events, Pennsylvania
Henry Heth, military.military_person.participated_in_conflicts, Battle of Gettysburg
Hubert Dilger, military.military_person.participated_in_conflicts, Battle of Gettysburg
Joseph R. Davis, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James J. Archer
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James Henry Lane
George P. Doles, people.person.nationality, United States of America
John C. Caldwell, people.person.nationality, United States of America
Stephen Dodson Ramseur, military.military_person.participated_in_conflicts, Battle of Gettysburg
Alfred Moore Scales, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, George P. Doles
Battle of Gettysburg, military.military_person.participated_in_conflicts, James L. Kemper
Paul Jones Semmes, military.military_person.participated_in_conflicts, Battle of Gettysburg
Richard L. T. Beale, military.military_person.participated_in_conflicts, Battle of Gettysburg
John M. Jones, military.military_person.participated_in_conflicts, Battle of Gettysburg
John C. Caldwell, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Ranald S. Mackenzie
Henry Warner Slocum, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Washington Roebling
Eppa Hunton, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Brown Gordon
John D. Imboden, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Joseph R. Davis
Charles Coster, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, J. H. Hobart Ward
Daniel Butterfield, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Henry Warner Slocum
Battle of Gettysburg, military.military_person.participated_in_conflicts, Elon J. Farnsworth
William Mahone, military.military_person.participated_in_conflicts, Battle of Gettysburg
John Newton, military.military_person.participated_in_conflicts, Battle of Gettysburg
John M. Jones, people.person.nationality, United States of America
Edward Porter Alexander, military.military_person.participated_in_conflicts, Battle of Gettysburg
John F. Reynolds, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George T. Anderson
Andrew A. Humphreys, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John F. Reynolds
William Barksdale, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Edward Porter Alexander
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lewis B. Williams, Jr
Battle of Gettysburg, military.military_person.participated_in_conflicts, Francis C. Barlow
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Joseph R. Davis
Thomas H. Ruger, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Edward A. O'Neal
Isaac E. Avery, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Richard S. Ewell
William Gamble, military.military_person.participated_in_conflicts, Battle of Gettysburg
George Armstrong Custer, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.combatants, m.048z_8m
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Dorsey Pender
Lewis Armistead, military.military_person.participated_in_conflicts, Battle of Gettysburg
Stephen Rose Gilkyson, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Alfred Moore Scales
Richard S. Ewell, military.military_person.participated_in_conflicts, Battle of Gettysburg
Henry Baxter, military.military_person.participated_in_conflicts, Battle of Gettysburg
William Mahone, people.person.nationality, United States of America
Ambrose R. Wright, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Thomas H. Ruger
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Gamble
Daniel Sickles, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Charles Griffin
The Killer Angels: A Novel of the Civil War, book.written_work.subjects, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Thomas H. Ruger
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Charles Griffin
Lewis B. Williams, Jr, military.military_person.participated_in_conflicts, Battle of Gettysburg
Joseph B. Kershaw, people.person.nationality, United States of America
John W. Geary, military.military_person.participated_in_conflicts, Battle of Gettysburg
Daniel Sickles, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John C. Caldwell
John D. Barry, military.military_person.participated_in_conflicts, Battle of Gettysburg
Włodzimierz Krzyżanowski, people.person.nationality, United States of America
Benjamin G. Humphreys, military.military_person.participated_in_conflicts, Battle of Gettysburg
John Buford, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Joseph B. Kershaw
Battle of Gettysburg, military.military_person.participated_in_conflicts, Włodzimierz Krzyżanowski
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Stephen Dodson Ramseur
Charles Griffin, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, James S. Wadsworth
Henry Heth, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, George Sykes
Augustus Pearl Martin, people.person.nationality, United States of America
John F. Reynolds, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George Meade
Washington Roebling, people.person.nationality, United States of America
James L. Kemper, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Elon J. Farnsworth
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Henry Heth
Battle of Gettysburg, military.military_person.participated_in_conflicts, Daniel Butterfield
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Adolph von Steinwehr
James J. Archer, people.person.nationality, United States of America
Lafayette McLaws, people.person.nationality, United States of America
Adolph von Steinwehr, people.person.nationality, United States of America
William Barksdale, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Daniel Butterfield
Battle of Gettysburg, military.military_person.participated_in_conflicts, Alpheus S. Williams
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Bell Hood
James Henry Lane, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Joshua Chamberlain
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Samuel I. Hopkins
Battle of Gettysburg, base.culturalevent.event.entity_involved, Confederate States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Oliver O. Howard
Goode Bryan, people.person.nationality, United States of America
Alfred Iverson, Jr., people.person.nationality, United States of America
American Civil War, time.event.locations, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Isaac E. Avery
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Harrow
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Robert E. Rodes
Battle of Gettysburg, military.military_person.participated_in_conflicts, John Newton
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George P. Doles
Richard S. Ewell, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Paul Jones Semmes
Andrew A. Humphreys, people.person.nationality, United States of America
John Brown Gordon, military.military_person.participated_in_conflicts, Battle of Gettysburg
James J. Archer, military.military_person.participated_in_conflicts, Battle of Gettysburg
Alfred Moore Scales, military.military_person.participated_in_conflicts, Battle of Gettysburg
Edward A. O'Neal, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lewis Armistead
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John W. Geary
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Solomon Meredith
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Hugh Judson Kilpatrick
Battle of Gettysburg, book.written_work.subjects, The Killer Angels: A Novel of the Civil War
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George Pickett
William Whedbee Kirkland, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, David Lang
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Horatio Wright
Lafayette McLaws, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William R. Terry
Solomon Meredith, people.person.nationality, United States of America
Charles Griffin, military.military_person.participated_in_conflicts, Battle of Gettysburg
George S. Greene, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Oliver O. Howard
Battle of Gettysburg, military.military_person.participated_in_conflicts, Bryan Grimes
m.048z_8m, military.military_combatant_group.combatants, United States of America
Robert E. Rodes, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Goode Bryan
Battle of Gettysburg, time.event.included_in_event, American Civil War
Robert E. Lee, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James S. Wadsworth
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Alfred Moore Scales
Battle of Gettysburg, military.military_person.participated_in_conflicts, Daniel Sickles
George Pickett, people.person.nationality, United States of America
Battle of Gettysburg, military.military_command.military_conflict, m.048z_91
James A. Walker, people.person.nationality, United States of America
Harry T. Hays, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Smith
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Hugh Judson Kilpatrick
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lewis Armistead
Pennsylvania, location.administrative_division.first_level_division_of, United States of America
George H. Steuart, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Edward Lloyd Thomas
Daniel Butterfield, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James Henry Lane
James L. Kemper, military.military_person.participated_in_conflicts, Battle of Gettysburg
David Lang, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Edward A. O'Neal
William Dorsey Pender, military.military_person.participated_in_conflicts, Battle of Gettysburg
William Smith, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Brown Gordon
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Horatio Wright
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Henry Baxter
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Andrew A. Humphreys
Battle of Gettysburg, military.military_person.participated_in_conflicts, Alexander S. Webb
Robert A. Hardee, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, William Gamble
Battle of Gettysburg, military.military_person.participated_in_conflicts, William T. Wofford
Edward A. O'Neal, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Henry Heth
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Buford
Battle of Gettysburg, military.military_person.participated_in_conflicts, David B. Birney
George Meade, people.person.nationality, United States of America
David B. Birney, people.person.nationality, United States of America
John Brown Gordon, people.person.nationality, United States of America
Richard L. T. Beale, people.person.nationality, United States of America
Włodzimierz Krzyżanowski, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Edward E. Cross
Battle of Gettysburg, military.military_person.participated_in_conflicts, Albion P. Howe
Régis de Trobriand, people.person.nationality, United States of America
Adolph von Steinwehr, military.military_person.participated_in_conflicts, Battle of Gettysburg
Thomas H. Ruger, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Adolph von Steinwehr
Battle of Gettysburg, military.military_person.participated_in_conflicts, John D. Barry
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John D. Imboden
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George Armstrong Custer
Battle of Gettysburg, military.military_person.participated_in_conflicts, Leonidas L. Polk
Battle of Gettysburg, military.military_person.participated_in_conflicts, Elwell Stephen Otis
Hugh Judson Kilpatrick, military.military_person.participated_in_conflicts, Battle of Gettysburg
Edward Lloyd Thomas, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Whedbee Kirkland
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Harry T. Hays
Francis C. Barlow, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John Newton
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George Armstrong Custer
Paul Jones Semmes, people.person.nationality, United States of America
Elwell Stephen Otis, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Ambrose R. Wright
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Dorsey Pender
Beverly Robertson, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Augustus Pearl Martin
William Dorsey Pender, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Richard B. Garnett
Battle of Gettysburg, military.military_person.participated_in_conflicts, William Barksdale
William Gamble, people.person.nationality, United States of America
Edward Lloyd Thomas, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Andrew A. Humphreys
Battle of Gettysburg, military.military_person.participated_in_conflicts, Richard S. Ewell
Gouverneur K. Warren, people.person.nationality, United States of America
William Harrow, military.military_person.participated_in_conflicts, Battle of Gettysburg
James A. Walker, military.military_person.participated_in_conflicts, Battle of Gettysburg
George Armstrong Custer, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Gouverneur K. Warren
John Newton, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John M. Jones
Battle of Gettysburg, military.military_person.participated_in_conflicts, Edward Lloyd Thomas
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Stephen Dodson Ramseur
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Richard B. Garnett
Bryan Grimes, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, John M. Jones
Battle of Gettysburg, military.military_person.participated_in_conflicts, George Meade
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Lucius Fairchild
William Harrow, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Edward Porter Alexander
Stephen Dodson Ramseur, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Beverly Robertson
Ranald S. Mackenzie, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, John D. Barry
George Sykes, military.military_person.participated_in_conflicts, Battle of Gettysburg
John Bell Hood, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Robert A. Hardee
Leonidas L. Polk, people.person.nationality, United States of America
Alexander S. Webb, people.person.nationality, United States of America
Charles Coster, military.military_person.participated_in_conflicts, Battle of Gettysburg
Jubal Early, people.person.nationality, United States of America
Battle of Gettysburg, location.location.events, Adams County
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Ambrose R. Wright
Alfred Iverson, Jr., military.military_person.participated_in_conflicts, Battle of Gettysburg
John Buford, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Régis de Trobriand
George Pickett, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Junius Daniel
Richard B. Garnett, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Daniel Sickles
Battle of Gettysburg, military.military_person.participated_in_conflicts, Jubal Early
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Mahone
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Henry Baxter
Elwell Stephen Otis, people.person.nationality, United States of America
Oliver O. Howard, people.person.nationality, United States of America
George T. Anderson, people.person.nationality, United States of America
Alpheus S. Williams, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, John C. Caldwell
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Leonidas L. Polk
Joshua Chamberlain, military.military_person.participated_in_conflicts, Battle of Gettysburg
Benjamin G. Humphreys, people.person.nationality, United States of America
John D. Barry, people.person.nationality, United States of America
Horatio Wright, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Benjamin G. Humphreys
Isaac R. Trimble, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, George T. Anderson
Henry Warner Slocum, people.person.nationality, United States of America
Battle of Gettysburg, military.military_person.participated_in_conflicts, Richard L. T. Beale
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Benjamin G. Humphreys
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William T. Wofford
William T. Wofford, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_person.participated_in_conflicts, Alfred Iverson, Jr.
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Harrow
William Whedbee Kirkland, military.military_person.participated_in_conflicts, Battle of Gettysburg
Alexander S. Webb, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, by Currier and Ives, common.image.appears_in_topic_gallery, Battle of Gettysburg
Albion P. Howe, people.person.nationality, United States of America
James S. Wadsworth, people.person.nationality, United States of America
Hubert Dilger, people.person.nationality, United States of America
m.048z_91, military.military_combatant.military_commanders, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, William Smith
Francis C. Barlow, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James L. Kemper
John W. Geary, people.person.nationality, United States of America
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Joseph B. Kershaw
Battle of Gettysburg, military.military_person.participated_in_conflicts, Hubert Dilger
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Eppa Hunton
J. H. Hobart Ward, people.person.nationality, United States of America
John D. Imboden, military.military_person.participated_in_conflicts, Battle of Gettysburg
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Stephen Rose Gilkyson
Battle of Gettysburg, military.military_conflict.military_personnel_involved, Isaac R. Trimble
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James J. Archer
Battle of Gettysburg, military.military_conflict.military_personnel_involved, James A. Walker

Answer: Confederate States of America
United States of America
Robert E. Lee
George Meade
Union