The US president in WW2 was Franklin Delano Roosevelt until his death in April 1945 then he was succeeded by Harry Truman.
During WW I the US allied itself to the Triple Entente (England, France, and Russia) and fought against the Central Powers (Germany and the Austro-Hungarian Empire).
Napoleon Bonaparte, in 1803.
Woodrow Wilson
Actually, it was largely because of the attack on Pearl Harbor. The US was already involved in the war financially, but they first deployed troops after that attack.
Germany, Italy and Japan. The leader of Germany was Adolf Hitler, the leader for Italy was Benito Mussolini and the leader of Japan was Hirohito.
It was bad.
If you wan't to know who was the leader of USA during WW 2, then it was president Roosevelt......
Franklin Delano Roosevelt.
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President truman
there were 6,289,000 Americans in combat.
Britain and France and Italy.
may 1,1939 to august 31,1945
At the start of WW II, the President of the US was Franklin D. Roosevelt.
300.000 dead and a similar number wounded
this name was given to the annihilation of the Jewish people during WW ll