The united states became officially involved in world war ii when a. congress declared war on japan. b. germany declared war on france. c. congress declared war on germany. d. germany declared war on great britain.

well the Japanese bombed Pearl Harbor, Hawaii, on December 7, 1941. So The United States  had to join the war.

A. Congress declared war on Japan.

This is because Japan attacked Pearl Harbor.

first paragraph (and busy all the night ,with a silence deep and white )

this is a good question! i'll do some research and come back when i have the answer!