History -- Foreign relations -- 10 Terrorism -- 6 History 5 Political aspects -- 4 Cold War 3 Arms race -- 2 more ... Civil rights -- 2 Defense industries -- 2 Executive power -- 2 Government policy -- 2 National security -- 2 Politics and government -- 2 Prevention -- 2 Relations -- 2 1st-10th -- 1 20th century 1 20th century. -- 1 21st century. -- 1 African Americans -- 1 Aircraft industry -- 1 Amendments -- 1 Arab-Israeli conflict 1 Arms control -- 1 Astronautics and state -- 1 Atomic bomb -- 1 Attitudes -- 1 Biography 1 Biography -- 1 Case studies -- 1 less ...