During the Yalta Conference, what did President Roosevelt promise Premier Stalin in exchange for the Soviet Union joining the Pacific War against Japan?

The Soviet Union would control the Japanese islands and Taiwan.
The Soviet Union would gain a sphere of influence in Manchuria.
The Soviet Union would be granted war reparations from Germany and Japan.
The Soviet Union would gain China as imperial territory.

3 answers

why cant u just tell me the answer
I know for a fact that both answers A and D are INCORRECT!
its b i am pretty sure if you cant find it. look up very answer till you find evidence that supports it