1940 to 1979: Communism is established by force or otherwise in Estonia, Latvia, Lithuania, Yugoslavia, Poland, North Korea, Albania, Bulgaria, Romania, Czechoslovakia, East Germany, Hungary, China, Tibet, North Vietnam, Guinea, Cuba, Yemen, Kenya, Sudan, Congo, Burma, Angola, Benin, Cape Verde, Laos, Kampuchea, Madagascar, Mozambique, South Vietnam, Somalia, Seychelles, Afghanistan, Grenada, Nicaragua and others. These countries were affected only in the arch of 40 short years of communism.