I REALLY NEED HELP

What motivated the United States to use atomic bombs against Japan during
World War II?
O A. Japanese leaders had demanded the unconditional surrender of
U.S. forces.
B. U.S. military leaders hoped to avoid a full-scale invasion of Japan.
O C. Allied leaders believed the Soviet Union was close to forming an
alliance with Japan.
O D. Japan was rapidly conquering new territories across Asia and the
Pacific