
Determine the topic of the question-answer pair.
Question: "who rules communism government?";  Answer: "It has a form of government characterized by single-party rule or dominant-party rule of a communist party (referred as Dictatorship of the Proletariat by its proponents) and a professed allegiance to a Leninist or Marxist–Leninist ideology as the guiding principle of the state."? Topic: 