Question

In 1987, President Reagan and Soviet leader Mikhail Gorbachev signed the Intermediate-Range Nuclear Forces (INF) Treaty, which
improved US-Soviet relations through the reduction of arms.
increased Cold War tensions between the United States and the USSR.
declared the United States the winner of the Cold War.
angered many Americans who did not favor compromise.

Answer 1

improved US-Soviet relations through the reduction of arms.

Brief explanation: The INF Treaty eliminated an entire class of nuclear missiles (ground-launched intermediate- and shorter-range missiles) and led to inspections and verification measures, easing tensions and marking a major arms-control step between the two superpowers.