Foreign relations -- 3 Congresses 2 Politics and government -- 2 World politics -- 2 Boundaries 1 Communist countries -- 1 Detente 1 more ... Developing countries -- 1 East-West trade -- 1 Economic integration 1 Emigration and immigration -- 1 Ethnic relations 1 Foreign economic relations -- 1 Government policy 1 History -- 1 National characteristics, East European 1 National characteristics, West European 1 Political parties -- 1 Public opinion -- 1 Western bloc countries -- 1 less ...