History Economic conditions 3 Politics and government 2 Transportation -- 2 Communism -- 1 Culture -- 1 Culture diffusion -- 1 more ... Economic conditions -- 1 Economic development 1 Economic policy 1 Education -- 1 Embargo -- 1 Foreign relations 1 Foreign relations -- 1 History -- 1 Industrial productivity -- 1 Investments -- 1 Post Communism 1 Social conditions 1 Social policy 1 Socialism -- 1 less ...