Nature of opposition of the leader Mao Zedong and how did he eliminate them

Write one page about the opposition and the groups against the leader Mao Zedong, what they did and how did he eliminate them. Then choose 6 primary sources with short explanation for each about origin of the crisis, failure to respond , nature of opposition , elimination of the opposition, and downfall. Explain why for each why it is a primary source. Then write a bibliography.