Question: Who was the US president when the war in which Stanley Stanger flew ended?

full_context: Document 1: Alessandro Buzio: "Tenente Colonnello" Alessandro Buzio was an Italian World War I flying ace credited with six aerial victories, four of them shared.
Document 2: Stefan Kirmaier: Oberleutnant Stefan Kirmaier was a World War I German flying ace credited with eleven aerial victories. Kirmaier would succeed Oswald Boelcke as commander of the famed Jagdstaffel 2 before being killed in action.
Document 3: Woodrow Wilson: Thomas Woodrow Wilson (December 28, 1856 -- February 3, 1924) was an American statesman and academic who served as the 28th President of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the President of Princeton University from 1902 to 1910, and as Governor of New Jersey from 1911 to 1913, before winning the 1912 presidential election. As president, he oversaw the passage of progressive legislative policies unparalleled until the New Deal in 1933. He also led the United States during World War I, establishing an activist foreign policy known as ``Wilsonianism. ''He was one of the three key leaders at the 1919 Paris Peace Conference, where he championed a new League of Nations, but he was unable to win Senate approval for U.S. participation in the League.
Document 4: Treaty of Versailles: After the Versailles conference, Democratic President Woodrow Wilson claimed that ``at last the world knows America as the savior of the world! ''However, the Republican Party, led by Henry Cabot Lodge, controlled the US Senate after the election of 1918, and the senators were divided into multiple positions on the Versailles question. It proved possible to build a majority coalition, but impossible to build a two - thirds coalition that was needed to pass a treaty.
Document 5: Theodore Roosevelt: Theodore Roosevelt Jr. (/ ˈroʊzəvɛlt / ROH - zə - velt; October 27, 1858 -- January 6, 1919) was an American statesman, author, explorer, soldier, and naturalist, who served as the 26th President of the United States from 1901 to 1909. He also served as the 25th Vice President of the United States from March to September 1901 and as the 33rd Governor of New York from 1899 to 1900. As a leader of the Republican Party during this time, he became a driving force for the Progressive Era in the United States in the early 20th century. His face is depicted on Mount Rushmore, alongside those of George Washington, Thomas Jefferson, and Abraham Lincoln.
Document 6: Ernesto Cabruna: "Capitano" Ernesto Cabruna (1889–1960) was a professional soldier who became a World War I flying ace credited with eight aerial victories. He served in Italy's military police, beginning in 1907. After service in Libya and Rhodes, he received a Bronze Medal for Military Valor a year after Italy's involvement in World War I began. He turned to aviation, became a pilot, and as such earned his first Silver Medal for Military Valor at the end of 1917.
Document 7: Franklin D. Roosevelt: Franklin Delano Roosevelt (/ ˈroʊzəvəlt /, his own pronunciation, or / ˈroʊzəvɛlt /; January 30, 1882 -- April 12, 1945), commonly known as FDR, was an American statesman and political leader who served as the 32nd President of the United States from 1933 until his death in 1945. A Democrat, he won a record four presidential elections and emerged as a central figure in world events during the mid-20th century. He directed the United States government during most of the Great Depression and World War II. As a dominant leader of his party, he built the New Deal Coalition, realigning American politics into the Fifth Party System and defining American liberalism throughout the middle third of the 20th century. He is often rated by scholars as one of the three greatest U.S. Presidents, along with George Washington and Abraham Lincoln.
Document 8: History of the United States Congress: Following the end of the war, the Wilson administration was plagued with numerous problems such as: 1) the large support against President Wilson's support for US membership into the League of Nations (which was regarded by the American public as an organization that could have introduced a German - American relationship) -; 2) the massive Steel Strike of 1919 3) race riots, and 4) the growing support among the American public, who now feared Communists would infiltrate the country, to reduce immigration. As a result, the Republican party would obtain a firmer majority control of both Congressional houses, in the 1920 congressional election, and score a heavy win the 1920 US Presidential Election as well; Republican Presidential candidate Warren Harding, a pro-laissez faire conservative, would also receive a record - breaking percent of the popular vote as well. However, the Harding administration could not bring the economy back to normal. Although the Republicans were able to retain control of both houses of Congress, the conservative Republicans (whom Harding backed) would suffer major losses.
Document 9: Stanley Stanger: Captain Stanley Stanger was a World War I flying ace credited with 13 confirmed aerial victories scored on the Italian Front. He was also noted for his ingenious escape from being captured by the Austro-Hungarians.
Document 10: Antonio Amantea: Sottotenente Antonio Amantea was a World War I flying ace credited with five aerial victories. He lived to become the last surviving Italian ace of the war.
Document 11: John Herbert Hedley: Captain John Herbert Hedley (19 July 1887 – 1 April 1977) was a World War I British flying ace credited with eleven aerial victories. The observer ace claimed to have survived a bizarre flying mishap which earned him the moniker "The Luckiest Man Alive." Hedley also survived uninjured after his plane was shot down in 1918, and he became a prisoner of war. After his immigration to the United States in 1920, he became a regular on the lecture circuit, enthralling American audiences with the stories of his military service.
Document 12: Jones Law (Philippines): Woodrow Wilson said, during the 1912 election campaign which made him US President, ``The Philippines are at present our frontier but I hope we presently are to deprive ourselves of that frontier. ''Even before the 1912 elections, U.S. House Committee on Insular Affairs Chairman William Atkinson Jones attempted to launch a bill which set a fixed date for Philippine independence. Manuel L. Quezon was one of the Philippines' two resident commissioners to the US House of Representatives. Jones delayed to launch his bill, so Quezon drafted the first of two`` Jones Bills.'' He drafted a second Jones Bill in early 1914 after the election of Wilson as president and his appointment of Francis Burton Harrison as President of the Philippine Commission and Governor General of the Philippines.
Document 13: Giovanni Sabelli: Tenente Giovanni Sabelli was an Italian World War I flying ace credited with five aerial victories. At the start of World War I, he was already an experienced combat pilot.
Document 14: Woodrow Wilson House (Washington, D.C.): The Woodrow Wilson House was the residence of the Twenty-Eighth President of the United States, Woodrow Wilson after he left office. It is at 2340 S Street NW just off Washington, D.C.'s Embassy Row. On February 3, 1924, Wilson died in an upstairs bedroom. It was designated a National Historic Landmark in 1964. The National Trust for Historic Preservation owns the house and operates it as a museum.
Document 15: Theodore Roosevelt: Theodore Roosevelt Jr. (/ ˈroʊzəvɛlt / ROH - zə - velt; October 27, 1858 -- January 6, 1919) was an American statesman and writer who served as the 26th President of the United States from 1901 to 1909. He also served as the 25th Vice President of the United States from March to September 1901 and as the 33rd Governor of New York from 1899 to 1900. As a leader of the Republican Party during this time, he became a driving force for the Progressive Era in the United States in the early 20th century. His face is depicted on Mount Rushmore, alongside those of George Washington, Thomas Jefferson, and Abraham Lincoln.
ground_truth: Thomas Woodrow Wilson
sub_queries: In which war/battle did Stanley Stanger fight? Answer: World War I
who was president of the united states immediately following World War I i Answer: Thomas Woodrow Wilson