Foreign relations 1 Geschichte 1963-1979 1 Interim Agreement Between the United States of America and the Union of Soviet Socialist Republics on Certain Measures With Respect to the Limitation of Strategic Offensive Arms (1972 May 26) 1 Nuclear arms control 1 Ost-West-Konflikt 1 Treaty Between the United States of America and the Union of Soviet Socialist Republics on the Limitation of Strategic Offensive Arms and the Protocol Thereto (1979 June 18) 1