First the U.S. was neutral and delivered the weapons to the allies, and then later it helped the allies with troops and vehicles.
World War 2
because we thought that if it did not involve us it was none of our business
They bomd pearl habor
because japan attacked America causing America to enter world war 2 and i caused a global war because America created the first nuke
After World War 2, the US had the strongest economy in the world.
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.