Answer:
Soviet Union.
Explanation:
The continuation of chaos in Western Europe potentially benefited Communism and the Soviet Union in several ways. It allowed communism to spread in Eastern Europe and Asia. Some of the countries that became part of the communism were Hungary, Poland, Ukraine, Czechoslovakia, Bulgaria, Romania, East Germany and Yugoslavia. The economy of thees country, in the beginning, became strong with industries and military advancements.
I don’t know if this helps but I found a Wikipedia page with lots of useful information. Sorry I couldn’t give a straight up answer but I haven’t gone over this in class.
It meant that as soon as one country falls under communist control, another country would fall and so on. Vietnam at the time was split into North (communist) and South (being attacked by North) and the US didn't want communism to spread, reasoning that it might eventually come to the US if nothing was done.