Answer: Because Truman asked Stalin for assistance with Japan and Stalin said america did not need the USSR's help.
The answer is D.
Although some of these were his side goals his overall main goal was to reunify the nation to avoid civil war.
<span>Popular sovereignty or the sovereignty of the people's rule is the principle that the authority of a state and its government is created and sustained by the consent of its people, through their elected representatives (Rule by the People), who are the source of all political power.</span>