Détente was the phase from 1967 to 1979 when Cold War tensions between the US and the Soviet Union were easing.
Explanation:
The period was marked by expanded trade and collaboration with the Soviet Union and the concerning the Strategic Arms Limitation Talks. Nixon proclaimed his administration period to be an era of negotiations and after visiting China in 1972 he flew to Moscow, where he met with the Soviet leaders to ease out the tension between the two world powers. They addressed topics such as arms control, nuclear war prevention, and expanded trade between the two nations.
<span>The need for the Constitution grew out of problems with the Articles of ... on those powers to assure that no one branch of government gained supremacy</span>
