17
Russia was by far the largest of the republics.
The largest religious group in Russia and the western former Soviet republics are Orthodox Christians.
Union of Soviet Socialist Republics (U.S.S.R.)
Russia is not composed of fifteen republics. This outdated question is referring to the former U.S.S.R. The answer, by the way, is the Russian Soviet Federative Socialist Republic.
North Asia.
Turds
Neither. It has 'constituent republics' and 'oblasts'.
All the countries that used to be part of the Union of Soviet Socialist Republics, commonly referred to as "Russia" in the United States because Russia was the largest and most populated of the republics.
The proper name was the Union of Soviet Socialist Republics- or USSR. While some people used the name Russia, Russia was one of the Republics.
The Union of Soviet Socialist Republics
The choosing to name Imperial Russia's successor the Union of Soviet Socialist Republics was based on the initial signatories of its founding. The provinces/states of Belarus, Ukraine and Russia were the first signers, and thus the founding Republics.
Neither Russia nor any of the Soviet republics participated in the 1948 Olympics. The Union of Soviet Socialist Republics (USSR), which included Russia, first participated in the Summer Olympics in 1952 and the Winter Olympics in 1956.