The correct answer is A) It brought about the unconditional surrender of Japan and ended the Second World War.
President Harry Truman decided two use two atomic bombs on the cities of Hiroshima and Nagasaki in August of 1945. The goal of these attacks were to bring an immediate end to World War II. This was seen as a last resort for Truman, as he and other leaders of the Allied powers already asked the Japanese to surrender. The Japanese refused to an unconditional surrender. If the US did not use these weapons, the war could have lasted significantly longer.
Answer:
finger masks were made of driftwood or animal bone.