Answer:
The First and Fourth Answer
Step-by-step explanation:
SALT I, the 1st series of Strategic Arms Limitation Talks, extended from 1969 November-May 1972. In the course of that period the US and the USSR negotiated the 1st agreement to place restraints and limits on a few of their core/central and most essential armaments.
The SALT I agreement was signed by the US and the USSR in the year 1972 and were aimed at restraining the arms race in strategic (intercontinental/long-range) ballistic missiles armed with nuclear weapons. SALT I limited the number of strategic ballistic missile launchers