Answer:
The desire for nuclear arms reduction, the conflict over missiles in Cuba and the increasing US involvement in the Vietnam War led to the detente between the United States and the Soviet Union.
Explanation:
Detente denotes the period during the Cold War (1945-1991) when relations between the Soviet Union and the United States improved, from 1963 to 1979.
When the Communists took power in Cuba in January 1959, it transitioned into an era of reconstruction, culminating with the Cuban missile crisis in October 1962. The crisis brought a shock to the two superpowers. This led to the red line being established in 1963 and a partial stop for nuclear weapons tests was agreed later that year. In the 1970s came several disarmament agreements, the most famous being SALT, and the summits between the US and the Soviet Union. Richard Nixon became the first US President to visit China.
At the end of the 1970s, Soviet interventions in Africa (Angola, Mozambique, Somalia and Ethiopia), deployments of medium-range robots in Europe and, above all, the 1979 invasion of Afghanistan meant the end of detente.
The desire for nuclear arms reduction, the conflict over missiles in Cuba, and the increasing US involvement in the Vietnam War led to the detente between the United States and the Soviet Union.
Detente refers to the period between 1967 to 1979 which intended to ease Cold War tension between the US and the Soviet Union. In January 1959, the communists took over Cuba.
This was the era of reconstruction that culminated with the Cuban missile crisis in October 1962. The crisis made both the superpowers in shock.
The powers wanted to reduce the nuclear arms by way of a red line, there were conflicts over missiles in Cuba that led to detente.
The US involvement in Vietnam War by sending troops to fight the battle in Vietnam was also the reason behind detente.
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