Germany's return to unrestricted submarine warfare.
The US did enter World War 1, though not till 1917.
No
1917
Japan attacked the US Fleet at Pearl Harbor.
the us decided to enter world war because they want the resources of France, and they want to keep on ruling france.
Congress and the president also a lot of Americans wanted us to enter world war one
Germany's return to unrestricted submarine warfare.
The US did enter World War 1, though not till 1917.
Yes, that is the point the US decided to enter the war.
1917
no
1941
No
pearl harbor
1917 smart
1941