The strategic, piece-by-piece elimination of political opposition used by the Soviet Union to install loyal regimes. 2. Life Under the Soviet Model

Early attempts at reform, such as the 20th Congress of the CPSU, and their ripples across Eastern European societies. 3. The "Autumn of Nations": The 1989 Revolutions

During the mid-20th century, countries like Poland, Hungary, and Czechoslovakia adopted the Soviet economic and political model. Zagladin and Simoniya discuss:

Fall of Communism in Eastern Europe, 1989 - History State Gov

The gradual neutralization of non-communist parties, leading to complete Communist domination.