Any international agreement that limits the type and number of weapons or armed forces. Arms control played a major role in superpower politics during the 1970s and 1980s, and a number of nuclear arms control agreements were signed by the United States and the Soviet Union. These were the Anti-ballistic Missile Treaty (1972) the First Strategic Arms Limitation Treaty (1972), the Second Strategic Arms Limitation Treaty (1979), the Intermediate-Range Nuclear Forces Treaty (1987), the First Strategic Arms Reduction Treaty (1991) and the Second Strategic Arms Reduction Treaty (1993). In 1994, the U.S. had about 14,900 nuclear weapons, down from the record number of 30,000 in 1967, and the Russians had about 29,000.