The effort to ease tensions between the united states and the ussr in the 1970s was known as detente. Option C is correct.
Detente is the term used in order to refer to the easing of strained relations, especially during a political scenario.
The term firstly appear in the time of the Triple Entente and Entente Cordiale ro refer to an easing of tensions between England and France who, subsequent to being commingled polities under Norman rule, were confronting.
