The collapse of the Soviet Union in 1991 marked the end of decades of rule in the nation.

The answer is communist

Explanation:

The Soviet Union was a communist country before their collapse.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.

the use of email to replace slower surface mail.