What did the United States establish around the world to encircle the Soviet Union?

United States and Soviet Union agree to establish a nuclear “hot line” To lessen the threat of an accidental nuclear war, the United States and the Soviet Union agree to establish a “hot line” communication system between the two nations.

Explanation:

it would be

general allotment act (dawes act) february 8, 1887

amendment to the dawes act, february 28, 1891

commission to the five civilized tribes (dawes commission), march 3, 1893