Iron Curtain- The former Soviet bloc and the West before the decline of communism after the political events in eastern Europe in 1989.
Containment- aimed at stopping the spread of Communism and keeping it 'contained' and isolated within its current borders,
Brinkmanship-political Hungarian theory of pushing the military to the brink of war in order to convince another nation to follow your demands.
Domino Theory- The domino theory existed from the 1950s to the 1980s. It was promoted at times by the United States government, and speculated that if one state in a region came under the influence of communism, then the surrounding countries would follow in a domino effect