Answer: opening of diplomatic relations with China
Explanation:
There are different reasons for actions of a country. One action that influenced the U.S.-Soviet signing of the SALT I treaty in 1972 was President Richard Nixon' is the opening of diplomatic relations with China.
This is known to be the first agreements commonly referred to as SALT I and SALT II.
It was signed by the United States and the Union of Soviet Socialist Republics in 1972 and 1979.
It was known to be intended to hold back the arms race in strategic (such as the long-range or intercontinental) ballistic missiles that was said to be armed with nuclear weapons. After months of negotiations, the two governments finally agreed to terms.
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