What was the roll of the united states in early stages of world war 2 before troops were issued

We basically thought everything was fine and good and in turn avoided the war in Europe but still providing aide to our ally, until the Japanese decided to bomb Pearl Harbor in order to make us back off from the war but it back fired majorly, we then created the atomic bomb or nuke and bombed Hiroshima & Nagasaki Japan.

not  

cuba  

russia  

iraq  

el salvador  

explanation:

known as the land of volcanoes, el salvador has visit seismic tremors and volcanic movement. it is the main nation in central america that does not have a coastline on the caribbean sea. about portion of all salvadorans live in the wide open. they are poor and don't have power or running water in their homes. in 1525, pedro de alvarado, a lieutenant of cortés's, vanquished el salvador. el salvador, with alternate nations of central america, pronounced its freedom from spain on sept. 15, 1821, and was a piece of a league of central american states until the point when that association broke up in 1838.