The Red Guards were mobilized by Chairmen Mao, who was the Communist leader of China. Therefore the most likely answer is D. Communism, because that was the cause of their leader.
Atch the terms with their definitions. 1. power-hungry militants who grabbed absolute control by force "direct democracy" 2. set the rules and maintained authority within the city-state nobles 3. first name given to the greek democracy solon 4. lofty, financially well-to-do citizens who carried much power within the community assembly 5. in 594 b. c. he was chosen as an athenian statesman with reformation powers tyrants
The oldest known mesopotamian civilization settled in areas along river banks or sea sides surrounded by mountains and deserts which two statements explain why three geographical features led to the rise of mesopotamian civilizations