Respuesta :
The correct answer to this open question is the following.
Truman’s big complaint as far as what the United States conceded to the Soviet Union was the following.
United States President Harry S. Truman's big complaint was that the Soviet Union was exerting to much pressure to control eastern European countries. After the Yalta Conference and the Postdam Conference, the Soviet Union exerted big influence and control over Poland and expanded its Communist form of Government into East Germany, Czechoslovakia, Rumania, Albania, and Hungary. We are talking about the beginning of the differences and confrontation that led these two countries into the Cold War years.
President Truman had a serious complaint about the United States conceding the independence of Eastern Europe to the Soviet Union.
During and after the Second World War:
- The Soviet Union liberated most of Eastern Europe.
- The Soviet Union installed Communist governments in most of Eastern Europe.
President Truman regretted that the United States conceded those nations in Eastern Europe to Soviet control and influence and this was one of the reasons the Cold War started.
In conclusion, Truman complained about the Soviet Union in Eastern Europe.
Find out more about the Cold War at https://brainly.com/question/7855.