What does U.S.S.R stand for?

U.S.S.R stands for "Union of Soviet Socialist Republics"

How to abbreviate "Union of Soviet Socialist Republics"?

"Union of Soviet Socialist Republics" can be abbreviated as U.S.S.R

What is the meaning of U.S.S.R abbreviation?

The meaning of U.S.S.R abbreviation is "Union of Soviet Socialist Republics"

What does U.S.S.R mean?

U.S.S.R as abbreviation means "Union of Soviet Socialist Republics"