Question

The US became involved in World War II to oppose the aggression of

Answer 1

Answer:

the first answer

Explanation:

The US joined WWII because German bombers sank the US submarine Lusitania and killed Americans in the process. Germany was very responsible of disobeying Great Britain's policy on no unrestricted submarine warfare, which is sinking merchant ships without warning.

Answer 2

They entered on the side of the Allies. (Britain, Russia ECT) to oppose the Axis Powers. (Japan, Germany, Italy)