The United Staes entered World War II when they were attacked by the Japanese at the Battle of Pearl Harbour, December 7, 1941
dude like look it up. its simple
2
Isolationism.
42 after Pearl.
dog
Franklin Roosevelt
1939 for europe, 1941 for the us
No, but they had made a start.
The Japanese attacked the US Fleet and airfields at Pearl Harbor. This was the start of war.
The Great Depression
Germany's aggression toward Poland
1939 or 1940 in France
A - The start of World War 2