Question: Mississippi Governor John a Quitman served under the 12th President of the United States during which war?

Context paragraphs:
American Crossroads: American Crossroads is a Super PAC that raises funds from donors to advocate for certain candidates of the Republican Party.  It has pioneered many of the new methods of fundraising opened up by the Supreme Court's ruling in "Citizens United".  Its president is Steven J. Law, a former United States Deputy Secretary of Labor for President George W. Bush and the Chairman of the Board of Directors is former Republican National Committee chairman Mike Duncan.  Advisers to the group include Senior Advisor and former White House Deputy Chief of Staff Karl Rove and former Mississippi Governor Haley Barbour.

James Douglas McComas: James Douglas McComas (December 23, 1928 – February 10, 1994) was 14th President of Mississippi State University from 1975-1985, the 12th President of the University of Toledo from 1985 to 1988, and the 13th President of Virginia Polytechnic Institute and State University, from 1988 to 1993.

Riverdale (Selma, Alabama): Riverdale is a historic plantation house near Selma, Dallas County, Alabama.  Architectural historians consider it to be "most elegant and refined house of its period in Dallas County."  The two-story wood-frame house was built in the Federal-style in 1829.  It is five bays wide, with a two-tiered, pedimented portico spanning the central bay.  It was built by Virgil H. Gardner, a native of Jones County, Georgia, for his bride, Margaret Loise Aylett of Virginia.  Their daughter, Mary Gardner, was married in the house in 1854 to Henry Quitman, son of former Mississippi governor John A. Quitman.

Fort Quitman: Fort Quitman was a United States Army installation on the Rio Grande in Texas, south of present-day Sierra Blanca, 20 miles southeast of McNary in southern Hudspeth County.  The fort, now a ghost town, was named for Mississippi Governor John A. Quitman, who served as a major general under Zachary Taylor during the Mexican-American War.

Shahabuddin Ahmed: Shahabuddin Ahmed (born 1 February 1930) is a Bangladeshi politician who served as the 12th President of Bangladesh.  He also served as the Chief Justice of the country.  He took over the office of President after a popular uprising against President Hussain Mohammad Ershad in 1991 for what constitution of the country had been amended through 11th amendment.  After the resumption of democracy, he returned to his duties as the Chief Justice following the amendment.  Later, he served as the President from 1996 to 2001.  During his first time in the Presidential office, he served as Acting President.  Later when he again took over the office in 1996 he became the 12th President.

Governor John Langdon House: The Governor John Langdon House, also known as Governor John Langdon Mansion, is a historic mansion house at 143 Pleasant Street in Portsmouth, New Hampshire, United States.  It was built in 1784 by John Langdon (1741-1819), a merchant, shipbuilder, American Revolutionary War general, signer of the United States Constitution, and three-term President (now termed governor) of New Hampshire.  The house he built for his family showed his status as Portsmouth's leading citizen and received praise from George Washington, who visited there in 1789.  Its reception rooms are ornamented by elaborate wood carving in the rococo style.  The house was declared a National Historic Landmark in 1974, and is now a house museum operated by Historic New England.

Zachary Taylor: Zachary Taylor (November 24, 1784 – July 9, 1850) was the 12th President of the United States, serving from March 1849 until his death in July 1850.  Before his presidency, Taylor was a career officer in the United States Army, rising to the rank of major general.  Taylor's status as a national hero as a result of his victories in the Mexican–American War won him election to the White House despite his vague political beliefs.  His top priority as president was preserving the Union, but he died sixteen months into his term, before making any progress on the status of slavery, which had been inflaming tensions in Congress.  He is the first and only President to come from Louisiana.

Herman H. Taylor: Herman Henry Taylor (December 6, 1877 – February 22, 1929) was a Republican politician from Idaho.  He served as the 12th Lieutenant Governor of Idaho.  Taylor was elected in 1913 along with Governor John M. Haines.  He was later elected in 1915 along with Democratic Governor Moses Alexander.  He later served as a Justice of the Idaho Supreme Court, from 1925 to 1929.  He died of angina in 1929.

Assassination of John F. Kennedy: John F. Kennedy, the 35th President of the United States, was assassinated on Friday, November 22, 1963 at 12:30 p.m. Central Standard Time in Dallas, Texas while riding in a motorcade in Dealey Plaza.  Kennedy was fatally shot by a former U.S Marine, Lee Harvey Oswald, while he was riding with his wife, Jacqueline, Texas Governor John Connally, and Connally's wife, Nellie, in a presidential motorcade.  A ten-month investigation by the Warren Commission from November 1963 to September 1964 concluded that Oswald acted alone in shooting Kennedy, and that Jack Ruby also acted alone when he killed Oswald before he could stand trial.  Kennedy's death marked the fourth (following Lincoln, Garfield, and McKinley) and most recent assassination of an American President.  Vice President Lyndon B. Johnson became President upon Kennedy's death.

John F. Kennedy presidential campaign, 1960: The 1960 presidential campaign of John F. Kennedy, a United States Senator from Massachusetts, began on January 2, 1960, when Kennedy formally announced his candidacy for 35th President of the United States, replacing incumbent President of the United States Dwight D. Eisenhower.  Kennedy was nominated by the Democratic Party at the Democratic National Convention of 1960, taking place between July 11 and July 15, 1960.  On July 15, 1960, Kennedy named Senator Lyndon B. Johnson of Texas as his official running mate.  Kennedy and Johnson won the election on November 8, 1960, defeating incumbent Vice President and Republican nominee Richard Nixon, who would later go on to be the 37th President of the United States.  Kennedy and Johnson were sworn in as 35th President and 37th Vice President of the United States on January 20, 1961 respectively.  Kennedy would serve as President of the United States until his death in November 1963.

Supporting paragraphs: Fort Quitman Zachary Taylor
Answer: Mexican-American War