Manhattan Project , although most of them were not aware they were working for the development of a super-secret weapon (Volkman 159-160 . The Cold War era underscored the vital role of nuclear arms in the balance of power , with the United States and the Soviet Union wielding the bulk of this weaponry . The National Resources Defense Council estimates that the United States , in the early 1970s , ``had more than 7 ,000 nuclear weapons in NATO countries in Europe , and more than...











SUBJECTS

