Subjects: Conservation (Environment); Economics; Energy
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Subjects: Change; Federal Government; Futures (of Society)
Subjects: Civil Liberties; Ethics; Foreign Policy
Subjects: Current Events; Futures (of Society); International Relations
Subjects: Comparative Analysis; Debt (Financial); Latin American Culture
Subjects: Disarmament; Foreign Policy; International RelationsUSSR
Subjects: Current Events; Developing Nations; Immigrants
Subjects: Current Events; United States History; World Problems
Subjects: Agriculture; Elementary Secondary Education; Exhibits
Subjects: Civil Defense; Communism; ExpendituresUSSR