Explain why communist systems can evolve into totalitarian states.

Totalitarianism is a concept for a form of government or political system that prohibits opposition parties, restricts individual opposition to the state and its claims, and exercises an extremely high degree of control over public and private life. It is regarded as the most extreme and complete form of authoritarianism. In totalitarian states, political power has often been held by autocrats who employ all-encompassing campaigns in which propaganda is broadcast by state-controlled mass media.

It's probably because some types of violets are blue