What was the effect of the United States use of atomic weapons in the war in the Pacific?

What was the effect of the United States’ use of atomic weapons in the war in the Pacific?

(A) The use of atomic weapons resulted in a massive “kamikaze"-style counter-offensive from the Japanese military.

(B) It gave the U.S. military a base from which it could launch an invasion of mainland Japan.

(D) ** It brought about the unconditional surrender of Japan and ended the Second World War.

USA HISTORY