Yes.
Yes, the US helped defeat the Japanese after they attacked the US in the Pearl harbour.
yes
Yes, that is the point the US decided to enter the war.
Yes
Yes
Following the attack on Pearl Harbor, men around the country lined up for blocks outside their local recruiters offices. This was an attack that would not go unanswered - as per their reactions as well as President Roosevelt's declaration of war against Japan. In short - yes, the US did help defeat Japan following the attack on Pearl Harbor.
When the Japanese attacked the US.
yes they did the US joined the war after the attack of pearl harbor
They were attacked by the japanese
They attacked Pearl Harbor in Hawaii.
The US was first attacked at Pearl Harbor by the Japanese.
The US was helping the Chinese help fight off the Japanese in China