Ukraine was the part of which bloc during the Cold War?

The correct answer is Option 4 - The USSR

Ukraine was in the Soviet Bloc during the Cold War.

In December 1991, under the leadership of Boris Yeltsin, Russia, Ukraine and Belarus, three major republics of the USSR, declared that the Soviet Union was disbanded. The Communist Party of the Soviet Union was banned. Capitalism and democracy were adopted as the bases for the post-Soviet republics.