Congresses -- Communism -- 2 Congresses 2 Politics and government -- 2 Agricultural innovations -- 1 Agriculture and state -- 1 Communist parties -- 1 more ... Defenses -- 1 Economic aspects -- 1 Economic conditions -- 1 Foreign relations -- 1 Nationalism -- 1 Peasant uprisings -- 1 Peasantry -- 1 Revolutions -- 1 Social conditions 1 Women in agriculture -- 1 less ...