US got in the war because of the bombing in pearl harbor.
The US got involved in the war on: April 6, 1917.
Franklin D.Roosevelt.
the us got involved in ww1 because the us had a cargo ship with women and children and a Japanese sub torpedoded it.
2 years
Franklin D. Roosevelt
Slowly and inefficiently
pearl harbour
The US got involved after declared war onto Japan on December 7, 1941
The US signed a pledge and agreement of understanding on not getting involved. The moment it got involved, it dropped the bomb on Hiroshima and Nagasaki. This is how the World War started.
The US got officially involved in the war when the Japanese bombed their Naval Fleet in Pearl Harbor, Hawaii on December 7th, 1941.
one year