Why didn't the Soviet Union get the same treatment as other "defeated" nations after their collapse?

by Weserat

In more traditional wars, the U.S. promptly established military bases and stripped "defeated" nations of their global power.

Was mutually assured destruction still a fear? Why did the U.S. allow post-Soviet Russia to rebuild themselves into a global power again?

barkingnoise

For one, they collapsed due to internal pressure, not particularly influenced by the U.S. there wasn't a war between USSR and the US, like in nazi Germany, or any other nation the US has put boots on the ground for.