This sixth grade unit is one of a sequential learning series of the Focus on Inner City Social Studies (FICSS) project developed in accordance with the needs and problems of an urban society. A description of the project is provided in SO 008 271. As part of the sixth grade curriculum focusing on world power, this six week unit studies the factors involved in Czechoslovakia's political and economic destiny. Specific student inquiry areas include Czechoslovakian history and geography, the fall of Czechoslovakia 1938-1948, Czechoslovakia in the Communist Camp 1948-1965, the new spirit of liberalization 1965-1968, and the Russian invasion 1968. The content of the unit includes teaching strategies, source materials, learning objectives, specific learning activities, and teacher and student resources. (Author/DE)