yes it was vital 4 the US 2 enter World War 2 because we needed their help 2 win the war. It turns out tht because of them we won the war.
1941
pearl harbor
No
1941
World War 2
Pearl Harbor
08 Dec 1941
1909 to 1944 The US entered World War 2 in December of 1941.
on decmber 8 1941
World War 2 : Japan.
Japan attacked the US Fleet at Pearl Harbor.