Congresses Congresses -- 8 Economic integration -- 3 Defenses -- 2 Foreign economic relations -- 2 Foreign relations -- 2 Politics and government -- 2 more ... Citizenship -- 1 Competition, International -- 1 Congresses. -- 1 Cultural assimilation -- 1 Dependency -- 1 Disarmament -- 1 Economic Conditions -- 1 Economic conditions -- 1 Emancipation -- 1 Emigration and immigration -- 1 Ethnic relations -- 1 European cooperation 1 History -- 1 International cooperation -- 1 International economic integration -- 1 International law -- 1 Jews -- 1 Military relations -- 1 Naturalization -- 1 Nuclear weapons -- 1 Regional disparities -- 1 Regional economic disparities -- 1 States, small -- 1 less ...