Congresses -- Congresses. -- Foreign relations -- 4 Congresses 3 Business cycles -- 1 Communism -- 1 Communist parties -- 1 more ... Defenses -- 1 Economic conditions 1 Economic conditions -- 1 Economic policy -- 1 History -- 1 Internal security -- 1 National security -- 1 Nuclear arms control -- 1 Social movements -- 1 Subversive activities -- 1 less ...