英文: During the Cold War, what was the main concern of the United States?

翻译: 在冷战期间，美国的主要顾虑是什么？

Answer / 答案

Communism
共产主义

试听

https://www.uscis.gov/sites/default/files/files/nativedocuments/Track%2083.mp3

注意关键词

During the Cold War
冷战期间
Communism
共产主义