On this day, 46 years ago, June 18, 1979 (May 24, 1979, the United States and the Soviet Union signed the Second Round of Strategic Arms Limitation Talks Treaty. East and West, unstable love On June 18, 1979, President Carter and Soviet leader Leonid Brezhnev signed the Treaty on the Limitation of Strategic Offensive Arms in Vienna. The treaty was valid until 1985. The treaty sets a total limit of 2250 strategic weapons for both sides, of which the limit of 1320 split-guided multiple warhead delivery vehicles. At the same time, limits and verification methods for improving the quality of strategic weapons are stipulated. After the treaty was signed, the two exchanged American-style handshakes and Soviet-style hugs. "Without a common rule on nuclear weapons, competition is bound to lead to a disaster," Carter warned. For the first time, the United States and the Soviet Union restricted the number of long-range missiles and bombers. However, the treaty allows them to produce an unlimited number of missile warheads. Leaders from both sides have pledged to improve the treaty in the future. The agreement must first overcome opposition from the Senate. Brezhnev looked pale in Vienna. He also needs to overcome his illness. Since then, due to the Soviet Union's invasion of Afghanistan, US-Soviet relations deteriorated. The Carter administration announced sanctions against the Soviet Union and postponed indefinitely the submission of the treaty to the U.S. Congress for approval and entry into force. conclusion of the Treaty of