A. Union of Soviet Socialist Republics.
B. Union of Soviet Socialist Russia.
C. United Soviet Socialist Russia.
D. United South Socialist Russia.
Explanation:
USSR stands for Union of Soviet Socialist Republics (also known as Soviet Union).
A. Union of Soviet Socialist Republics.
B. Union of Soviet Socialist Russia.
C. United Soviet Socialist Russia.
D. United South Socialist Russia.
Explanation:
USSR stands for Union of Soviet Socialist Republics (also known as Soviet Union).