ANSWER:
It is true that the US became involved in world war ll after 'Japan' attacked pearl harbor.
Step-by-step explanation:
- Until the Pearl Harbor attack United States has been neutral in the World War II. But after Japan attacked them on Pearl Harbor, USA were actively involved in World War II.
- The attack by Japanese was a surprise air attack to US on Sunday morning, December 7, 1941. That 11 minutes attack led united states to formally enter in the war.