Congresses Congresses -- 13 Politics and government -- 10 Economic conditions -- 7 Disarmament -- 4 Economic policy -- 4 Foreign relations -- 4 more ... Peace -- 4 Arms control -- 3 Defenses -- 3 International economic relations -- 3 International relations -- 3 World politics -- 3 Education, Higher -- 2 Foreign economic relations -- 2 International business enterprises -- 2 Local government -- 2 Population -- 2 Social conditions -- 2 ASEAN -- 1 Anti-satellite weapons -- 1 Chemical arms control -- 1 Chemical warfare -- 1 China -- 1 Cogresses 1 Collective farms -- 1 Collectivization of agriculture -- 1 Commerce -- 1 Commonwealth (Organization) -- 1 Communism -- 1 less ...