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: What politician held office until march of 1877 and fought in the Battle of Vicksburg? 
Knowledge Triplets: David Farragut, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Molino del Rey
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ralph Pomeroy Buckland
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
Edward John McClernand, people.person.parents, John Alexander McClernand
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjx2
John S. Bowen, people.person.nationality, Confederate States of America
m.0gmkgpk, military.casualties.combatant, Confederate States of America
John Alexander McClernand, people.person.gender, Male
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Peter Joseph Osterhaus
John Alexander McClernand, people.person.profession, Lawyer
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Lookout Mountain
Robert E. Lee, military.military_person.participated_in_conflicts, Battle of Chancellorsville
m.04tn7rr, government.government_position_held.appointed_by, Ulysses S. Grant
Warren County, location.us_county.county_seat, Vicksburg
Ulysses S. Grant, base.politicalconventions.presidential_nominee.nominated_at, 1872 Republican National Convention
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Port Gibson
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg, book.written_work.subjects, Mississippi
Politician, freebase.type_hints.included_types, Topic
William D. Turner, government.politician.party, m.0z8pk45
David Farragut, people.person.places_lived, m.03prc7s
Battle of Vicksburg, Kurz and Allison, common.image.size, m.02c7z_m
Siege of Vicksburg, military.military_conflict.combatants, m.049y2pc
Siege of Vicksburg, military.military_conflict.commanders, m.049y2m5
1872 Republican National Convention, base.politicalconventions.political_convention.presidential_nominee, Ulysses S. Grant
Jefferson Davis, military.military_person.participated_in_conflicts, Battle of Monterrey
Jefferson Davis, government.politician.government_positions_held, m.09n5nzq
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Wilson's Creek
James B. McPherson, common.topic.article, m.02fl29
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjxg
Politician, people.profession.corresponding_type, Politician
Carter L. Stevenson, military.military_person.participated_in_conflicts, Siege of Vicksburg
Siege of Vicksburg, base.culturalevent.event.entity_involved, United States of America
Joseph E. Johnston, people.person.nationality, Confederate States of America
Ulysses S. Grant, government.political_appointer.appointees, m.05n572x
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William D. Turner
Siege of Vicksburg, base.culturalevent.event.entity_involved, John C. Pemberton
Ulysses S. Grant, government.politician.government_positions_held, m.03fx88m
m.04fvcs7, military.military_combatant_group.conflict, Siege of Vicksburg
John Alexander McClernand, military.military_person.participated_in_conflicts, American Civil War
Battle of Chancellorsville, base.culturalevent.event.entity_involved, Robert E. Lee
m.0z8pjt2, government.government_position_held.office_holder, William D. Turner
Edward John McClernand, people.person.gender, Male
John Alexander McClernand, people.person.places_lived, m.04hsssl
Ulysses S. Grant, base.politicalconventions.presidential_nominee.nominated_at, 1868 Republican National Convention
m.09n5nzq, government.government_position_held.jurisdiction_of_office, Confederate States of America
Battle of Stirling's Plantation, base.culturalevent.event.entity_involved, Confederate States of America
Battle of Champion Hill, time.event.included_in_event, Grant's Operations Against Vicksburg
m.0bw_zcj, government.political_party_tenure.politician, William F. Draper
Henry Wilson, people.person.profession, Politician
Ralph Pomeroy Buckland, government.politician.government_positions_held, m.0b_cxz6
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 31st Louisiana Infantry Regiment
m.09n5nyx, government.government_position_held.office_holder, Jefferson Davis
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Ulysses S. Grant
1868 Republican National Convention, base.politicalconventions.political_convention.presidential_nominee, Ulysses S. Grant
Vicksburg, location.hud_county_place.county, Warren County
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Raymond
Jefferson Davis, people.person.profession, Politician
Siege of Vicksburg, military.military_conflict.military_personnel_involved, James B. McPherson
Vicksburg Campaign, military.military_conflict.military_personnel_involved, Joseph E. Johnston
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjxb
Frederick Dent Grant, people.person.nationality, United States of America
m.03gjg83, government.political_party_tenure.politician, Ulysses S. Grant
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
An Honorable Defeat: The Last Days of the Confederate Government, book.written_work.subjects, Confederate States of America
26th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Fought in this battle, type.property.expected_type, Military Conflict
m.049y2m5, military.military_command.military_conflict, Siege of Vicksburg
Gideon Welles, common.topic.notable_types, Politician
Ralph Pomeroy Buckland, people.person.nationality, United States of America
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Jackson, Mississippi
Battle of Jackson, Mississippi, base.culturalevent.event.entity_involved, Joseph E. Johnston
Battle of Jackson, Mississippi, base.culturalevent.event.entity_involved, Ulysses S. Grant
m.0z8pk45, government.political_party_tenure.politician, William D. Turner
m.03fx88m, government.government_position_held.office_holder, Ulysses S. Grant
John S. Bowen, common.topic.article, m.0dxwzs
Ralph Pomeroy Buckland, government.politician.government_positions_held, m.0wk5d9t
Ulysses S. Grant, base.kwebbase.kwtopic.connections_to, robert edward lee fought ulysses simpson grant
John Alexander McClernand, government.politician.party, m.04d66q4
m.0whttkd, government.political_party_tenure.politician, Ralph Pomeroy Buckland
John C. Pemberton, common.topic.image, JCPembertonBLY
Seth Barton, military.military_person.participated_in_conflicts, Battle of Chancellorsville
Vicksburg, location.location.containedby, Mississippi
Stephen Mallory, people.person.profession, Politician
m.0pb96gc, government.political_party_tenure.politician, Ralph Pomeroy Buckland
Fought in this battle, rdf-schema#range, Military Conflict
Battle of Chickasaw Bayou, time.event.locations, Vicksburg
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Fort Donelson
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Dow
Henry Halleck, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John S. Bowen
Ulysses S. Grant, military.military_person.participated_in_conflicts, Overland Campaign
Jefferson Davis, government.politician.government_positions_held, m.09n5nyx
David Farragut, military.military_person.participated_in_conflicts, War of 1812
m.0wlt8t1, government.government_position_held.office_holder, William F. Draper
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.09rg1lp, government.government_position_held.appointed_by, Ulysses S. Grant
Mississippi, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
John S. Bowen, common.topic.notable_for, g.125dfb9sq
John C. Pemberton, common.topic.article, m.02_qh6
John C. Pemberton, people.person.nationality, United States of America
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Champion Hill
William F. Draper, military.military_person.participated_in_conflicts, Battle of Globe Tavern
Battle of Port Gibson, time.event.included_in_event, Grant's Operations Against Vicksburg
Vicksburg Campaign, common.topic.notable_types, Military Conflict
Henry Casey, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.09tbqb8, government.government_position_held.appointed_by, Ulysses S. Grant
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 26th Louisiana Infantry Regiment
Henry Wilson, military.military_person.participated_in_conflicts, American Civil War
Carter L. Stevenson, people.person.nationality, Confederate States of America
Mississippi, book.book_subject.works, Vicksburg
m.03prc7s, people.place_lived.person, David Farragut
James B. McPherson, people.person.nationality, United States of America
Battle of Chapultepec, military.military_conflict.military_personnel_involved, Ulysses S. Grant
Ulysses S. Grant, government.us_president.vice_president, Henry Wilson
William F. Draper, military.military_person.participated_in_conflicts, Battle of the Wilderness
Politician, freebase.equivalent_topic.equivalent_type, Politician
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Big Black River Bridge
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Henry Casey
Vicksburg, book.written_work.original_language, English Language
Siege of Vicksburg, time.event.included_in_event, American Civil War
22nd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 22nd Louisiana Infantry Regiment
m.049y2lz, military.military_command.military_conflict, Siege of Vicksburg
James B. McPherson, common.topic.image, James B. McPherson
John Alexander McClernand, people.person.nationality, United States of America
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Arkansas Post
Battle of Jackson, Mississippi, time.event.included_in_event, Grant's Operations Against Vicksburg
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 29th Louisiana Infantry Regiment
Siege of Vicksburg, military.military_conflict.military_personnel_involved, William F. Draper
Politician, freebase.type_profile.published, Published
Ralph Pomeroy Buckland, common.topic.article, m.02rm2sn
John C. Pemberton, people.person.nationality, Confederate States of America
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Resaca
ulysses simpson grant appointed general by abraham lincoln, base.kwebbase.kwconnection.other, Abraham Lincoln
m.0jvvyr2, location.administrative_division_capital_relationship.capital, Vicksburg
Battle of Raymond, time.event.included_in_event, Grant's Operations Against Vicksburg
m.03pj0kp, people.place_lived.person, James B. McPherson
Siege of Vicksburg, common.topic.notable_for, g.125fntmgj
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Shiloh
Western Theater of the American Civil War, base.americancivilwar.theater.campaigns, Grant's Operations Against Vicksburg
Ulysses S. Grant, government.political_appointer.appointees, m.09rg1lp
Siege of Vicksburg, military.military_conflict.military_personnel_involved, David Farragut
Warren County, location.location.events, Siege of Vicksburg
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, In 1877 Grant finally left office and the family went on a two-year round the world tour.
Vicksburg Campaign, time.event.includes_event, Grant's Operations Against Vicksburg
P.G.T. Beauregard, book.written_work.subjects, Confederate States of America
David Farragut, people.person.nationality, United States of America
John S. Bowen, common.topic.image, GenJohnBowen
Ulysses S. Grant, fictional_universe.fictional_character.occupation, Politician
Grant's Operations Against Vicksburg, time.event.included_in_event, Vicksburg Campaign
John Alexander McClernand, military.military_person.participated_in_conflicts, Siege of Vicksburg
John Alexander McClernand, common.topic.notable_for, g.125d3_8ty
George B. McClellan, people.person.ethnicity, Scottish American
James B. McPherson, common.topic.image, Brady-GeneralMcPherson
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Pea Ridge
m.04hgzp_, people.place_lived.person, Peter Joseph Osterhaus
John Alexander McClernand, common.topic.image, John Alexander McClernand
Grant's Operations Against Vicksburg, base.americancivilwar.campaign.theater, Western Theater of the American Civil War
Battle of Vicksburg, Kurz and Allison, common.image.appears_in_topic_gallery, Siege of Vicksburg
Siege of Vicksburg, base.schemastaging.context_name.pronunciation, g.125_lwv14
Warren County, location.location.contains, Vicksburg National Military Park
Vicksburg, location.citytown.postal_codes, 39183
P. G. T. Beauregard, people.person.nationality, Confederate States of America
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Atlanta
Battle of Fort Henry, military.military_conflict.military_personnel_involved, James B. McPherson
Peter Joseph Osterhaus, common.topic.notable_for, g.125b5lrr3
John Alexander McClernand, common.topic.notable_types, U.S. Congressperson
Battle of Helena, time.event.included_in_event, Grant's Operations Against Vicksburg
David Farragut, common.topic.notable_for, g.1255_srjt
Battle of Grand Gulf, time.event.included_in_event, Grant's Operations Against Vicksburg
John Alexander McClernand, military.military_person.participated_in_conflicts, Battle of Shiloh
Siege of Vicksburg, base.culturalevent.event.entity_involved, Ulysses S. Grant
William F. Draper, government.politician.government_positions_held, m.0wlt8t1
John S. Bowen, people.person.nationality, United States of America
Battle of Goodrich's Landing, time.event.included_in_event, Grant's Operations Against Vicksburg
William F. Draper, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.0b_cxz6, government.government_position_held.office_holder, Ralph Pomeroy Buckland
Joseph E. Johnston, military.military_person.participated_in_conflicts, Battle of Chapultepec
1868 Republican National Convention, base.culturalevent.event.entity_involved, Ulysses S. Grant
John Alexander McClernand, people.person.profession, Politician
Ralph Pomeroy Buckland, government.politician.party, m.0pb96gc
Jefferson Davis, book.book_subject.works, An Honorable Defeat: The Last Days of the Confederate Government
Ulysses S. Grant, government.political_appointer.appointees, m.07hvqjr
Battle of Arkansas Post, base.culturalevent.event.entity_involved, John Alexander McClernand
Siege of Vicksburg, common.topic.image, Battle of Vicksburg, Kurz and Allison
Siege of Vicksburg, time.event.locations, Warren County
William F. Draper, common.topic.notable_types, U.S. Congressperson
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.
m.04kqjxb, government.government_position_held.appointed_by, Ulysses S. Grant
Battle of Fort Henry, base.culturalevent.event.entity_involved, Ulysses S. Grant
Ulysses S. Grant, government.political_appointer.appointees, m.04tn7rw
23rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
James B. McPherson, common.topic.notable_for, g.1259sb5xf
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Milliken's Bend
Second Battle of Corinth, base.culturalevent.event.entity_involved, Confederate States of America
Siege of Vicksburg, base.culturalevent.event.entity_involved, Confederate States of America
Vicksburg, location.location.events, Battle of Grand Gulf
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Kennesaw Mountain
m.04hw091, people.place_lived.person, John C. Pemberton
3rd Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Resaca de la Palma
m.09n5n_6, government.government_position_held.office_holder, Jefferson Davis
William D. Turner, common.topic.notable_types, Politician
David Farragut, common.topic.article, m.0pzfr
William D. Turner, military.military_person.participated_in_conflicts, Siege of Vicksburg
Henry Dow, military.military_person.participated_in_conflicts, Siege of Vicksburg
m.04kqjx2, government.government_position_held.appointed_by, Ulysses S. Grant
Western Theater of the American Civil War, time.event.includes_event, Vicksburg Campaign
Vicksburg, location.hud_county_place.place, Vicksburg
George B. McClellan, people.person.nationality, United States of America
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Palo Alto
Warren County, location.us_county.hud_county_place, Vicksburg
Carter L. Stevenson, common.topic.article, m.0dvc35
Henry Casey, common.topic.notable_for, g.1ylqcmhw3
m.049y2pc, military.military_combatant_group.conflict, Siege of Vicksburg
Siege of Vicksburg, common.topic.notable_types, Military Conflict
Siege of Vicksburg, military.military_conflict.combatants, m.04fvcs7
Robert E. Lee, base.kwebbase.kwtopic.connections_from, robert edward lee fought ulysses simpson grant
m.07hvqjr, government.government_position_held.appointed_by, Ulysses S. Grant
Ulysses S. Grant, government.politician.party, m.03gjg83
1872 Republican National Convention, base.culturalevent.event.entity_involved, Ulysses S. Grant
Grant's Operations Against Vicksburg, common.topic.notable_for, g.125b421pj
Siege of Vicksburg, time.event.included_in_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Fort Donelson
Henry Halleck, people.person.nationality, United States of America
Siege of Vicksburg, military.military_conflict.commanders, m.049y2lz
Abraham Lincoln, people.person.profession, Politician
Ulysses S. Grant, government.political_appointer.appointees, m.09tbqb8
William F. Draper, government.politician.party, m.0bw_zcj
John Alexander McClernand, people.person.children, Edward John McClernand
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
Ulysses S. Grant, government.political_appointer.appointees, m.09s797y
Politician, freebase.type_profile.strict_included_types, Topic
US President, freebase.type_hints.included_types, Politician
Vicksburg, location.capital_of_administrative_division.capital_of, m.0jvvyr2
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 27th Louisiana Infantry Regiment
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Chapultepec
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Carter L. Stevenson
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 3rd Louisiana Infantry Regiment
U.S. Congressperson, freebase.type_hints.included_types, Politician
John S. Bowen, military.military_person.participated_in_conflicts, Battle of Port Gibson
Ralph Pomeroy Buckland, government.politician.party, m.0whttkd
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, This action cemented Grant's Republican ties and ensured his nomination for president in 1868.
John Alexander McClernand, people.person.profession, Military Officer
Joseph E. Johnston, military.military_person.participated_in_conflicts, Vicksburg Campaign
Henry Casey, people.deceased_person.place_of_death, Bloomingburg
Battle of Chancellorsville, military.military_conflict.military_personnel_involved, Robert E. Lee
Siege of Vicksburg, common.topic.article, m.01hf7m
John S. Bowen, people.person.education, m.04hnjys
Vicksburg, location.location.containedby, United States of America
Vicksburg, location.citytown.postal_codes, 39180
Ulysses S. Grant, government.politician.election_campaigns, Ulysses S. Grant Presidential Campaign, 1872
27th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Siege of Vicksburg, base.culturalevent.event.entity_involved, Union
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, Battle of Shiloh
m.09s797y, government.government_position_held.appointed_by, Ulysses S. Grant
John C. Pemberton, common.topic.image, John C. Pemberton
Gideon Welles, people.person.profession, Politician
m.0wk5d9t, government.government_position_held.office_holder, Ralph Pomeroy Buckland
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Donelson
William D. Turner, government.politician.government_positions_held, m.0z8pjt2
Peter Joseph Osterhaus, common.topic.article, m.03grvlq
Ulysses S. Grant, military.military_person.participated_in_conflicts, Siege of Vicksburg
Vicksburg, location.location.time_zones, Central Time Zone
Henry Wilson, people.person.nationality, United States of America
Robert E. Lee, people.person.nationality, United States of America
Siege of Vicksburg, time.event.locations, Mississippi
Battle of Grand Gulf, time.event.locations, Vicksburg
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 17th Louisiana Infantry Regiment
m.05n572x, government.government_position_held.appointed_by, Ulysses S. Grant
John C. Pemberton, people.person.education, m.04hw096
Vicksburg, location.location.containedby, Warren County
Battle of Big Black River Bridge, time.event.included_in_event, Grant's Operations Against Vicksburg
George B. McClellan, people.person.profession, Soldier
Vicksburg Campaign, time.event.included_in_event, Western Theater of the American Civil War
Peter Joseph Osterhaus, military.military_person.participated_in_conflicts, Battle of Big Black River Bridge
Schuyler Colfax, government.us_vice_president.to_president, Ulysses S. Grant
Battle of Raymond, base.culturalevent.event.entity_involved, James B. McPherson
James B. McPherson, military.military_person.participated_in_conflicts, Battle of Fort Henry
John Alexander McClernand, common.topic.article, m.059w59
Jefferson Davis, government.politician.government_positions_held, m.09n5n_6
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, In January 1862, Grant received permission from General Henry Wager Halleck to begin an offensive campaign.
Siege of Vicksburg, military.military_conflict.military_personnel_involved, Seth Barton
Robert E. Lee, people.person.nationality, Confederate States of America
m.03pk3n7, people.place_lived.person, Peter Joseph Osterhaus
Ulysses S. Grant, government.political_appointer.appointees, m.04tn7rr
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Shiloh
Mississippi, location.location.events, Siege of Vicksburg
m.09n5nzq, government.government_position_held.office_holder, Jefferson Davis
31st Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
William D. Turner, people.person.profession, Politician
Grant's Operations Against Vicksburg, common.topic.notable_types, Military Conflict
Peter Joseph Osterhaus, people.deceased_person.place_of_death, Duisburg
m.04kqjxg, government.government_position_held.appointed_by, Ulysses S. Grant
m.0gmkfgp, military.casualties.combatant, Confederate States of America
John S. Bowen, military.military_person.participated_in_conflicts, Siege of Vicksburg
Siege of Vicksburg, military.military_conflict.military_personnel_involved, John Alexander McClernand
Warren County, location.location.contains, Vicksburg
m.04tn7rw, government.government_position_held.appointed_by, Ulysses S. Grant
John C. Pemberton, common.topic.notable_for, g.1255x3lbr
Politician, freebase.type_profile.equivalent_topic, Politician
Vicksburg, book.written_work.subjects, United States of America
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Helena
Peter Joseph Osterhaus, people.person.nationality, United States of America
m.04kqjx6, government.government_position_held.appointed_by, Ulysses S. Grant
Ulysses S. Grant, base.kwebbase.kwtopic.has_sentences, On March 4th 1869, at the age of 46 Grant was youngest man yet elected President.
Henry Wilson, government.us_vice_president.to_president, Ulysses S. Grant
Schuyler Colfax, people.person.profession, Politician
Battle of Fort Donelson, base.culturalevent.event.entity_involved, Ulysses S. Grant
Seth Barton, military.military_person.participated_in_conflicts, Siege of Vicksburg
Ralph Pomeroy Buckland, common.topic.notable_types, U.S. Congressperson
17th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Snyder's Bluff
American Civil War, base.culturalevent.event.entity_involved, Henry Halleck
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Grand Gulf
James B. McPherson, military.military_person.participated_in_conflicts, Siege of Vicksburg
An Honorable Defeat: The Last Days of the Confederate Government, book.written_work.subjects, Jefferson Davis
Jefferson Davis, common.topic.notable_types, U.S. Congressperson
William F. Draper, common.topic.article, m.02rj_fv
Ulysses S. Grant, people.person.profession, Politician
Ulysses S. Grant, military.military_person.participated_in_conflicts, Battle of Monterrey
m.04d66q4, government.political_party_tenure.politician, John Alexander McClernand
Carter L. Stevenson, military.military_person.participated_in_conflicts, Battle of Nashville
Ralph Pomeroy Buckland, military.military_person.participated_in_conflicts, American Civil War
Siege of Vicksburg, base.americancivilwar.battle.military_units_involved_in_this_conflict, 23rd Louisiana Infantry Regiment
Vicksburg, location.location.contains, Vicksburg National Military Park
Grant's Operations Against Vicksburg, time.event.includes_event, Battle of Goodrich's Landing
Ulysses S. Grant, government.politician.election_campaigns, Ulysses S. Grant Presidential Campaign, 1868
m.04hsssl, people.place_lived.person, John Alexander McClernand
Ulysses S. Grant, government.us_president.vice_president, Schuyler Colfax
Battle of Snyder's Bluff, time.event.included_in_event, Grant's Operations Against Vicksburg
Ulysses S. Grant, government.political_appointer.appointees, m.04kqjx6
Vicksburg, travel.travel_destination.tourist_attractions, Vicksburg National Military Park
Vicksburg, location.location.events, Battle of Chickasaw Bayou
Henry Dow, common.topic.notable_for, g.1yp3b0l4k
29th Louisiana Infantry Regiment, base.americancivilwar.military_unit.conflicts_participated_in, Siege of Vicksburg

Answer: Ulysses S. Grant