This question is vague and incomplete. Since it was put into the World War 2 Category I will say Japan bombed the United States.
We bombed them back
nagasaki and hiroshima
they bombed us
The US bombed the Japanese city of Horoshima with an atomic bomb .
They bombed Nagasaki first. Then, they surrendered.
Hopefully
Japan bombed Pearl Harbour
Japan bombed Pearl Harbor, Hawaii first. Later the US was able to have revenge and they bombed Japan.
Japan
but here is an answer 9/11
but here is an answer 9/11
There were actually two cities that were bombed by the US Air force. Those two cities that were bombed was named Hiroshima and Nagasaki.