Question: Who was president of the U.S. immediately following the conflict in which Heinrich Henkel was a participant?

full_context: Document 1: 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 2: 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 3: Walter Hennecke: Walter Hennecke (23 May 1898 – 1 January 1984) was a German admiral during World War II. He was awarded the Knight's Cross of the Iron Cross by Hitler for "a feat unprecedented in the annals of coastal defense.", when he comprehensively damaged Cherbourg Harbour prior to surrendering it to Allied forces.
Document 4: Hans Imelmann: Leutnant Hans Imelmann IC was a World War I flying ace credited with six aerial victories. As a founding member of one of Germany's original fighter squadrons, he was shot down and killed before he reached his twentieth birthday.
Document 5: Oskar Hennrich: Oskar Hennrich was a German World War I flying ace credited with 20 aerial victories. He was a notable balloon buster, as thirteen of his wins were destructions of observation balloons. He was the leading ace of his squadron, and ended his service with the rank of Vizefeldwebel.
Document 6: 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 7: Heinrich Henkel: Leutnant Heinrich Henkel (born 11 May 1896, date of death unknown) was a World War I flying ace credited with eight aerial victories.
Document 8: Hans-Georg von der Osten: Leutnant Hans-Georg von der Osten began his career as a World War I flying ace credited with five aerial victories. He later rose to command of all Luftwaffe bases in Germany, during World War II.
Document 9: 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 10: Heinz Wernicke: Heinz Wernicke (17 October 1920 – 27 December 1944) was a Luftwaffe World War II fighter ace and was credited with 117 aerial victories—that is, 117 aerial combat encounters resulting in the destruction of the enemy aircraft. He was also a recipient of the Knight's Cross of the Iron Cross, the highest award in the military and paramilitary forces of Nazi Germany during World War II. Wernicke was killed in a mid-air collision with his wingman on 27 December 1944.
Document 11: 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.
Document 12: Zdzisław Henneberg: Zdzisław Henneberg VM, DFC, KZ***, CdeG (11 May 1911 – 12 April 1941) was a Polish airman who flew with the Royal Air Force during the Battle of Britain and a flying ace of the Second World War.
Document 13: Hans Rosencrantz: Lieutenant Hans Rosencrantz was a World War I flying ace credited with five aerial victories, shared with his pilot Wilhelm Fahlbusch.
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: 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.
ground_truth: Thomas Woodrow Wilson
sub_queries: Heinrich Henkel >> participant in Answer: World War I
who was president of the united states immediately following World War I i Answer: Thomas Woodrow Wilson