Hi there!
A. and B. are both true.
Well President Harry S. Truman wanted a new weapon to end the War and on August 6, 1945, Enola Gay dripped the bomb over Heroshima a Japanese city.
This is because after winning independent slave trade also was in that event, or because Europeans wanted to influence Christians into Africa.
It is 270 needed out of a possible 538 since 1964