The U.S feared that if Japan conquered European colonies in Southeast Asia, it could threaten its control of the Philippines and Guam. As a result, the U.S sent aid to help the Chinese Resistance. Also, Roosevelt cut off supplies of oil to Japan
Brezhnev was much keener to protect the priviledges of the Nomemclature than reforming the country. Khrushchev had reformed the Soviet Union because he wanted it to have a better image abroad. He was destituted by the Nomemclature who feared about their priviledges and blamed him for failing in Cuba in his foreign policy.
It's B, had spent all their savings just to get to America
