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: Which politician who fought in the Battle of Vicksburg entered office first? 
Knowledge Triplets: 31st Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
John S. Bowen, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
Battle of the Wilderness, military.military_conflict.military_personnel_involved, William F. Draper
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Atlanta Campaign
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 27th Louisiana Infantry Regiment
John S. Bowen, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John S. Bowen
Battle of Molino del Rey, base.culturalevent.event.entity_involved, Ulysses S. Grant
Vicksburg, book.written_work.subjects, Mississippi
George B. McClellan, military.military_person.participated_in_conflicts, Mexican–American War
m.03fx88m, government.government_position_held.office_holder, Ulysses S. Grant
Vicksburg, location.location.containedby, United States of America
Joseph E. Johnston, military.military_person.participated_in_conflicts, Atlanta Campaign
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
Vicksburg, book.written_work.original_language, English Language
Politician, people.profession.corresponding_type, Politician
Politician, freebase.type_profile.strict_included_types, Topic
23rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
27th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
John Alexander McClernand, government.politician.party, m.04d66q4
Battle of Raymond, time.event.included_in_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Appomattox Campaign
Warren County, location.location.contains, Vicksburg National Military Park
William D. Turner, government.politician.government_positions_held, m.0z8pjt2
m.0pb96gc, government.political_party_tenure.politician, Ralph Pomeroy Buckland
John Alexander McClernand, people.person.profession, Military Officer
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Milliken's Bend
Carter L. Stevenson, military.military_person.participated_in_conflicts, American Civil War
1872 Republican National Convention, base.politicalconventions.political_convention.presidential_nominee, Ulysses S. Grant
Siege of Vicksburg, military.military_conflict.combatants, m.049y2pc
Ulysses S. Grant, fictional_universe.fictional_character.occupation, Politician
Siege of Vicksburg, military.military_conflict.combatants, m.04fvcs7
An Honorable Defeat: The Last Days of the Confederate Government, book.written_work.subjects, Jefferson Davis
m.0jvvyr2, location.administrative_division_capital_relationship.capital, Vicksburg
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Arkansas Post
Ulysses S. Grant, government.politician.election_campaigns, Ulysses S. Grant Presidential Campaign, 1872
Mississippi, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
Battle of Grand Gulf, time.event.included_in_event, Grant's Operations Against Vicksburg
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
Battle of Monterrey, military.military_conflict.military_personnel_involved, Ulysses S. Grant
War of 1812, base.culturalevent.event.entity_involved, Winfield Scott
Jefferson Davis, book.book_subject.works, An Honorable Defeat: The Last Days of the Confederate Government
Joseph E. Johnston, people.person.nationality, Confederate States of America
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjxb
Ulysses S. Grant, government.politician.election_campaigns, Ulysses S. Grant Presidential Campaign, 1868
Ulysses S. Grant, military.military_person.participated_in_conflicts, Chattanooga Campaign
Military Conflict, type.type.expected_by, Fought in this battle
Vicksburg Campaign, time.event.includes_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, government.politician.government_positions_held, m.03fx88m
Battle of Grand Gulf, time.event.locations, Vicksburg
Robert E. Lee, people.person.nationality, Confederate States of America
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 31st Louisiana Infantry Regiment
Grant's Operations Against Vicksburg, base.americancivilwar.campaign.theater, Western Theater of the American Civil War
Robert E. Lee, military.military_person.participated_in_conflicts, Mexican–American War
Henry Halleck, military.military_person.participated_in_conflicts, Mexican–American War
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjx2
Siege of Vicksburg, military.military_conflict.commanders, m.049y2m5
Ulysses S. Grant, government.political_appointer.appointees, m.04tn7rr
Politician, freebase.type_hints.included_types, Topic
Vicksburg, location.location.events, Battle of Chickasaw Bayou
George B. McClellan, people.person.nationality, United States of America
Ulysses S. Grant, base.politicalconventions.presidential_nominee.nominated_at, 1872 Republican National Convention
22nd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Joseph E. Johnston, military.military_person.participated_in_conflicts, Battle of Chapultepec
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 22nd Louisiana Infantry Regiment
Battle of Big Black River Bridge, base.culturalevent.event.entity_involved, John Alexander McClernand
Battle of Wilson's Creek, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 23rd Louisiana Infantry Regiment
Battle of Port Gibson, time.event.included_in_event, Grant's Operations Against Vicksburg
Joseph E. Johnston, military.military_person.participated_in_conflicts, Vicksburg Campaign
Battle of Fort Donelson, military.military_conflict.military_personnel_involved, Ulysses S. Grant
m.049y2lz, military.military_command.military_conflict, Siege of Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Snyder's Bluff
Robert E. Lee, military.military_person.participated_in_conflicts, American Civil War
Grant's Operations Against Vicksburg, time.event.includes_event, Siege of Vicksburg
William D. Turner, government.politician.party, m.0z8pk45
Henry Wilson, people.person.profession, Politician
Battle of Jackson, Mississippi, base.culturalevent.event.entity_involved, Joseph E. Johnston
Ulysses S. Grant, government.political_appointer.appointees, m.09tbqb8
Battle of Snyder's Bluff, time.event.included_in_event, Grant's Operations Against Vicksburg
Ralph Pomeroy Buckland, government.politician.government_positions_held, m.0b_cxz6
Fought in this battle, rdf-schema#range, Military Conflict
Vicksburg, location.hud_county_place.county, Warren County
Jefferson Davis, government.politician.government_positions_held, m.09n5nyx
Henry Wilson, military.military_person.participated_in_conflicts, American Civil War
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, Greeley opposed him WTG Morton served under him He met Emperor Franz Josef.
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Resaca
Jefferson Davis, government.politician.government_positions_held, m.09n5n_6
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Port Gibson
Edward John McClernand, people.person.gender, Male
Ulysses S. Grant, government.us_president.vice_president, Schuyler Colfax
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, This action cemented Grant's Republican ties and ensured his nomination for president in 1868.
Politician, freebase.type_profile.equivalent_topic, Politician
Abraham Lincoln, people.person.profession, Politician
William F. Draper, military.military_person.participated_in_conflicts, Siege of Petersburg
Peter Joseph Osterhaus, people.deceased_person.place_of_death, Duisburg
Schuyler Colfax, people.person.profession, Politician
1868 Republican National Convention, base.politicalconventions.political_convention.presidential_nominee, Ulysses S. Grant
m.09n5nzq, government.government_position_held.office_holder, Jefferson Davis
Vicksburg, location.hud_county_place.place, Vicksburg
Battle of Fort Donelson, base.culturalevent.event.entity_involved, Ulysses S. Grant
Battle of Chapultepec, military.military_conflict.military_personnel_involved, Joseph E. Johnston
Siege of Vicksburg, time.event.included_in_event, Grant's Operations Against Vicksburg
Battle of Champion Hill, time.event.included_in_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, government.political_appointer.appointees, m.05n572x
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Helena
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Vicksburg
Battle of Arkansas Post, base.culturalevent.event.entity_involved, John Alexander McClernand
John C. Pemberton, people.person.nationality, United States of America
Battle of Resaca, military.military_conflict.military_personnel_involved, James B. McPherson
26th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Vicksburg Campaign, military.military_conflict.military_personnel_involved, Joseph E. Johnston
Gideon Welles, people.person.profession, Politician
Ralph Pomeroy Buckland, people.person.nationality, United States of America
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Dow
William D. Turner, military.military_person.participated_in_conflicts, American Civil War
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Shiloh
Battle of Milliken's Bend, time.event.included_in_event, Grant's Operations Against Vicksburg
m.0b_cxz6, government.government_position_held.office_holder, Ralph Pomeroy Buckland
Schuyler Colfax, government.us_vice_president.to_president, Ulysses S. Grant
William F. Draper, military.military_person.participated_in_conflicts, Battle of Globe Tavern
David Farragut, military.military_person.participated_in_conflicts, Siege of Vicksburg
Henry Halleck, military.military_person.participated_in_conflicts, American Civil War
James B. McPherson, people.person.nationality, United States of America
William D. Turner, military.military_person.participated_in_conflicts, Siege of Vicksburg
Carter L. Stevenson, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.09n5nyx, government.government_position_held.office_holder, Jefferson Davis
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Shiloh
Edward John McClernand, people.person.parents, John Alexander McClernand
John Alexander McClernand, military.military_person.participated_in_conflicts, Siege of Vicksburg
Jefferson Davis, military.military_person.participated_in_conflicts, Battle of Monterrey
Gideon Welles, common.topic.notable_types, Politician
Battle of Goodrich's Landing, time.event.included_in_event, Grant's Operations Against Vicksburg
Western Theater of the American Civil War, base.americancivilwar.theater.campaigns, Grant's Operations Against Vicksburg
Grant's Operations Against Vicksburg, common.topic.notable_types, Military Conflict
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Carter L. Stevenson
Battle of Helena, time.event.included_in_event, Grant's Operations Against Vicksburg
William F. Draper, government.politician.party, m.0bw_zcj
Vicksburg Campaign, time.event.included_in_event, Western Theater of the American Civil War
Battle of Big Black River Bridge, time.event.included_in_event, Grant's Operations Against Vicksburg
Henry Casey, people.deceased_person.place_of_death, Bloomingburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Monterrey
Mississippi, book.book_subject.works, Vicksburg
Siege of Vicksburg, military.military_conflict.commanders, m.049y2lz
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
Siege of Vicksburg, base.culturalevent.event.entity_involved, United States of America
Battle of Chancellorsville, military.military_conflict.military_personnel_involved, Robert E. Lee
Politician, freebase.type_profile.published, Published
Ulysses S. Grant, people.person.profession, Politician
Vicksburg, location.citytown.postal_codes, 39180
James B. McPherson, military.military_person.participated_in_conflicts, American Civil War
John Alexander McClernand, people.person.gender, Male
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Kennesaw Mountain
Battle of Chancellorsville, base.culturalevent.event.entity_involved, Robert E. Lee
Warren County, location.location.contains, Vicksburg
m.04d66q4, government.political_party_tenure.politician, John Alexander McClernand
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Petersburg
Ulysses S. Grant, government.us_president.vice_president, Henry Wilson
m.0z8pjt2, government.government_position_held.office_holder, William D. Turner
Ulysses S. Grant, base.kwebbase.kwtopic.connections_to, robert edward lee fought ulysses simpson grant
Seth Barton, military.military_person.participated_in_conflicts, Jackson's Valley Campaign
Seth Barton, military.military_person.participated_in_conflicts, Siege of Vicksburg
William D. Turner, common.topic.notable_types, Politician
P. G. T. Beauregard, military.military_person.participated_in_conflicts, Battle of Shiloh
Joseph E. Johnston, military.military_person.participated_in_conflicts, Mexican–American War
Battle of Molino del Rey, military.military_conflict.military_personnel_involved, Ulysses S. Grant
Battle of Chapultepec, base.culturalevent.event.entity_involved, Winfield Scott
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William F. Draper
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Jackson, Mississippi
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John Alexander McClernand
William D. Turner, people.person.profession, Politician
Carter L. Stevenson, military.military_person.participated_in_conflicts, Atlanta Campaign
Battle of Jackson, Mississippi, time.event.included_in_event, Grant's Operations Against Vicksburg
Vicksburg, book.written_work.subjects, United States of America
Warren County, location.us_county.hud_county_place, Vicksburg
Battle of Jackson, Mississippi, base.culturalevent.event.entity_involved, Ulysses S. Grant
David Farragut, military.military_person.participated_in_conflicts, War of 1812
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
John Alexander McClernand, common.topic.notable_types, U.S. Congressperson
Battle of Monterrey, military.military_conflict.military_personnel_involved, Jefferson Davis
Siege of Vicksburg, base.culturalevent.event.entity_involved, John C. Pemberton
Fought in this battle, type.property.expected_type, Military Conflict
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjxg
Siege of Vicksburg, time.event.locations, Mississippi
Joseph E. Johnston, military.military_person.participated_in_conflicts, American Civil War
Battle of Atlanta, military.military_conflict.military_personnel_involved, James B. McPherson
1868 Republican National Convention, base.culturalevent.event.entity_involved, Ulysses S. Grant
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Fort Donelson
Siege of Vicksburg, base.schemastaging.context_name.pronunciation, g.125_lwv14
Battle of Fort Henry, military.military_conflict.military_personnel_involved, James B. McPherson
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 17th Louisiana Infantry Regiment
John Alexander McClernand, people.person.children, Edward John McClernand
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Seth Barton
George B. McClellan, people.person.ethnicity, Scottish American
Battle of Vicksburg, Kurz and Allison, common.image.appears_in_topic_gallery, Siege of Vicksburg
Grant's Operations Against Vicksburg, common.topic.notable_for, g.125b421pj
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 26th Louisiana Infantry Regiment
29th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Henry Halleck, people.person.nationality, United States of America
Henry Casey, military.military_person.participated_in_conflicts, Siege of Vicksburg
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Port Gibson
Siege of Vicksburg, common.topic.notable_for, g.125fntmgj
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Wilson's Creek
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Champion Hill
Vicksburg, location.citytown.postal_codes, 39183
Battle of Shiloh, base.culturalevent.event.entity_involved, Ulysses S. Grant
John C. Pemberton, military.military_person.participated_in_conflicts, Mexican–American War
Warren County, location.location.events, Siege of Vicksburg
Siege of Vicksburg, time.event.included_in_event, American Civil War
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Siege of Vicksburg
Battle of Chapultepec, military.military_conflict.military_personnel_involved, Ulysses S. Grant
John Alexander McClernand, people.person.places_lived, m.04hsssl
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Donelson
m.04fvcs7, military.military_combatant_group.conflict, Siege of Vicksburg
Battle of Resaca, base.culturalevent.event.entity_involved, Joseph E. Johnston
m.04hsssl, people.place_lived.person, John Alexander McClernand
Battle of Fort Donelson, military.military_conflict.military_personnel_involved, John Alexander McClernand
Battle of Big Black River Bridge, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Chapultepec
Battle of Raymond, base.culturalevent.event.entity_involved, James B. McPherson
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Grand Gulf
Robert E. Lee, military.military_person.participated_in_conflicts, Battle of Chancellorsville
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Fort Donelson
m.03gjg83, government.political_party_tenure.politician, Ulysses S. Grant
Mississippi, location.location.events, Siege of Vicksburg
17th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
Ralph Pomeroy Buckland, government.politician.party, m.0whttkd
Ralph Pomeroy Buckland, government.politician.party, m.0pb96gc
William F. Draper, military.military_person.participated_in_conflicts, American Civil War
Battle of Shiloh, military.military_conflict.military_personnel_involved, Ralph Pomeroy Buckland
Siege of Vicksburg, base.culturalevent.event.entity_involved, Confederate States of America
Siege of Vicksburg, common.topic.image, Battle of Vicksburg, Kurz and Allison
m.0z8pk45, government.political_party_tenure.politician, William D. Turner
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Big Black River Bridge
John S. Bowen, people.person.nationality, Confederate States of America
m.0wk5d9t, government.government_position_held.office_holder, Ralph Pomeroy Buckland
Robert E. Lee, base.kwebbase.kwtopic.connections_from, robert edward lee fought ulysses simpson grant
Siege of Vicksburg, military.military_conflict.military_personnel_involved, David Farragut
William F. Draper, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg Campaign, common.topic.notable_types, Military Conflict
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Atlanta
Seth Barton, military.military_person.participated_in_conflicts, Battle of Chancellorsville
John Alexander McClernand, common.topic.notable_for, g.125d3_8ty
Grant's Operations Against Vicksburg, time.event.included_in_event, Vicksburg Campaign
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
m.049y2m5, military.military_command.military_conflict, Siege of Vicksburg
Siege of Vicksburg, base.culturalevent.event.entity_involved, Union
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Molino del Rey
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Goodrich's Landing
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjx6
Jefferson Davis, government.politician.government_positions_held, m.09n5nzq
John Alexander McClernand, common.topic.image, John Alexander McClernand
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Shiloh
Battle of Resaca de la Palma, military.military_conflict.military_personnel_involved, Ulysses S. Grant
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Sherman's March to the Sea
James B. McPherson, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Shiloh
Ulysses S. Grant, base.politicalconventions.presidential_nominee.nominated_at, 1868 Republican National Convention
Battle of Atlanta, base.culturalevent.event.entity_involved, James B. McPherson
Siege of Vicksburg, military.military_conflict.military_personnel_involved, James B. McPherson
Second Battle of Corinth, base.culturalevent.event.entity_involved, Confederate States of America
Siege of Vicksburg, common.topic.notable_types, Military Conflict
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William D. Turner
John Alexander McClernand, military.military_person.participated_in_conflicts, American Civil War
m.09n5n_6, government.government_position_held.office_holder, Jefferson Davis
Vicksburg, location.location.containedby, Mississippi
Frederick Dent Grant, people.person.nationality, United States of America
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ralph Pomeroy Buckland
Carter L. Stevenson, people.person.place_of_birth, Fredericksburg
Henry Wilson, people.person.nationality, United States of America
Battle of Fort Henry, base.culturalevent.event.entity_involved, Ulysses S. Grant
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 3rd Louisiana Infantry Regiment
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Henry
Vicksburg, location.location.containedby, Warren County
Ulysses S. Grant, government.politician.party, m.03gjg83
Western Theater of the American Civil War, time.event.includes_event, Vicksburg Campaign
Battle of the Wilderness, base.culturalevent.event.entity_involved, Robert E. Lee
Warren County, location.us_county.county_seat, Vicksburg
m.0bw_zcj, government.political_party_tenure.politician, William F. Draper
Henry Wilson, government.us_vice_president.to_president, Ulysses S. Grant
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Casey
David Farragut, military.military_person.participated_in_conflicts, American Civil War
Ulysses S. Grant, military.military_person.participated_in_conflicts, American Civil War
Vicksburg, location.location.contains, Vicksburg National Military Park
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.0wlt8t1, government.government_position_held.office_holder, William F. Draper
George B. McClellan, military.military_person.participated_in_conflicts, American Civil War
m.049y2pc, military.military_combatant_group.conflict, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Veracruz
John Alexander McClernand, common.topic.article, m.059w59
Battle of Big Black River Bridge, military.military_conflict.military_personnel_involved, John S. Bowen
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ulysses S. Grant
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Palo Alto
Battle of Chickasaw Bayou, time.event.locations, Vicksburg
John Alexander McClernand, people.person.nationality, United States of America
Siege of Vicksburg, common.topic.article, m.01hf7m
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
Vicksburg, location.capital_of_administrative_division.capital_of, m.0jvvyr2
Battle of Vicksburg, Kurz and Allison, common.image.size, m.02c7z_m
William F. Draper, government.politician.government_positions_held, m.0wlt8t1
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, American Civil War
John C. Pemberton, people.person.nationality, Confederate States of America
John Alexander McClernand, people.person.profession, Lawyer
Ralph Pomeroy Buckland, common.topic.notable_types, U.S. Congressperson
Henry Dow, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ulysses S. Grant, government.political_appointer.appointees, m.09s797y
m.0whttkd, government.political_party_tenure.politician, Ralph Pomeroy Buckland
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Nashville
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, He distinguished himself at the battle of Chatulpec on 13th September 1847, earning brevet commissions as first lieutenant and captain.
Siege of Vicksburg, time.event.locations, Warren County
John Alexander McClernand, people.person.profession, Politician
Ulysses S. Grant, government.political_appointer.appointees, m.09rg1lp
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Battle of Shiloh
Peter Joseph Osterhaus, people.person.nationality, United States of America
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Pea Ridge
3rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Ulysses S. Grant, government.political_appointer.appointees, m.04tn7rw
Stephen Mallory, people.person.profession, Politician
William F. Draper, military.military_person.participated_in_conflicts, Battle of the Wilderness
Battle of Shiloh, military.military_conflict.military_personnel_involved, John Alexander McClernand
Battle of Arkansas Post, military.military_conflict.military_personnel_involved, John Alexander McClernand
Ulysses S. Grant, military.military_person.participated_in_conflicts, Overland Campaign
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Resaca de la Palma
Vicksburg, location.location.events, Battle of Grand Gulf
ulysses simpson grant appointed general by abraham lincoln, base.kwebbase.kwconnection.other, Abraham Lincoln
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, In January 1862, Grant received permission from General Henry Wager Halleck to begin an offensive campaign.
Battle of the Wilderness, base.culturalevent.event.entity_involved, Ulysses S. Grant
Ralph Pomeroy Buckland, government.politician.government_positions_held, m.0wk5d9t
Vicksburg, location.location.time_zones, Central Time Zone
Jefferson Davis, people.person.profession, Politician
Politician, freebase.equivalent_topic.equivalent_type, Politician
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 29th Louisiana Infantry Regiment
Battle of Pea Ridge, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Raymond
US President, freebase.type_hints.included_types, Politician
Ulysses S. Grant, government.political_appointer.appointees, m.07hvqjr

Answer: Ulysses S. Grant