Question

Which of these was a feature of the relationship between the Soviet Union and the United States in the era leading up to détente?
nuclear war
direct conflict
arms race
cooperation

Answer 1

Cooperation

A bit more info: Cold War tensions between the U.S. and the Soviet Union from 1967 to 1979. The era was a time of increased trade and cooperation with the Soviet Union and the signing of the Strategic Arms Limitation Talks (SALT) treaties