What was the immediate effect of America's use of atomic weapons in August 1945?

Question 39 options:

It gave the US military a base from which it could launch an invasion of mainland Japan.

It brought about the unconditional surrender of Japan and ended the Second World War.

It brought about unconditional surrender of Germany and stopped the Soviet Union from occupying Berlin.

The use of atomic weapons resulted in massive 'kamikaze' style counter offensive from the Japanese military.

Question

What was the immediate effect of America's use of atomic weapons in August 1945?

Question 39 options:
	
It gave the US military a base from which it could launch an invasion of mainland Japan.

	
It brought about the unconditional surrender of Japan and ended the Second World War.

	
It brought about unconditional surrender of Germany and stopped the Soviet Union from occupying Berlin.

	
The use of atomic weapons resulted in massive 'kamikaze' style counter offensive from the Japanese military.