I am pretty sure the answer is B.
Answer:
Nuclear fission produces the atomic bomb, a weapon of mass destruction that uses power released by the splitting of atomic nuclei The fighting in Iwo Jima and Okinawa affected the Allies' Pacific strategy because Truman decided to drop the atomic bomb on mainland Japan.
Explanation:
Nine million, slavery ended there in 1821. Though blacks made significant moves north and west, at the turn of the 20th century, over seven million of the nation's almost nine million blacks lived in the South.
Articles of Confederation