When did the united states enter world war ii?

The correct answer is December 1941.

The United States entered World War II only one day after the suprise attack on a military base called Pearl Harbor. Pearl Harbor was attacked by a group of Japanese pilots. The next day, President Franklin D. Roosevelt gave a speech to Congress describing the attack and asked Congress to declare war on the Japanese Empire. Congress voted in favor of this resolution and America was officially at war.

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,

to extend a country’s power and influence