During the Cold War following World War 2 the countries in dark blue on the map above all belonged to the?

During the Cold War, the countries in dark blue on the map belonged to the Soviet Union or were part of the Eastern Bloc, which aligned with communist ideology. This included nations like East Germany, Poland, Hungary, and Czechoslovakia, among others. These countries were characterized by one-party rule and state-controlled economies, directly opposing the democratic and capitalist systems of the Western Bloc led by the United States.