What happened to the economy in the russian domain after the demise of the former soviet union (ussr)?

They faced economic crisis and catastrophic fall in living standards

Explanation:

With the process of the internal destruction of the Russian empire also refers to as the soviet union that began in the second half of the 1980's had an unrest in the nation public with the collapse of the economic setups that followed by the collapse of the Soviet Union led to a severe crisis of the Soviet states and the former Eastern Bloc that was further worsened by the great depression period.

What are the following resources?

D.