The soviet union was made of 15 states. a)satellite b)federated c)industrialized

of them, a)poland b) hungary c)hungary was considered the most powerful.

The Soviet Union was made of  Federated 15 states. Option C is correct.

Of them, Russia was considered the most powerful.

The Soviet Union, in other words, the Union of Soviet Socialist Republics was a socialist state located in Eurasia that existed from 1922 to 1991. The Sobiet Union constituted a union of multiple national Soviet republics, and its government and economy were  centralized.

In its final years, the Soviet Union encompassed Soviet Socialist Republics (S.S.R.’s): Armenia, Azerbaijan, Belorussia (now Belarus), Estonia, Georgia, Kazakhstan, Kirgiziya (now Kyrgyzstan), Latvia, Lithuania, Moldavia (now Moldova), Russia, Tajikistan, Turkmenistan, Ukraine, and Uzbekistan. The capital was Moscow, then and now the capital of Russia.

what are the options ?