Answer:
1963 was a year of immense change and progress for the world. It was the year of the March on Washington, where Martin Luther King Jr. delivered his iconic "I Have a Dream" speech, and the year the United States and the Soviet Union signed the Partial Nuclear Test Ban Treaty, which marked the beginning of the end of the Cold War. It was also the year that the United States and the United Kingdom signed the Hot Line Agreement, which established a direct communication link between the two countries in order to reduce the risk of accidental nuclear war. In addition, the United States and the Soviet Union signed the Limited Test Ban Treaty, which banned nuclear testing in the atmosphere, underwater, and in outer space.
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