Significance: It embodies the spirit of China people against aggression and imperialism;

To some extent, it promoted the reform movement of the Qing Dynasty.

2. Background of the spread of reform ideas: China was defeated in the Sino-Japanese War and signed the treaty of shimonoseki.

3. Reformist political groups: a strong society.

4. The nature of the Hundred Days Reform: the bourgeois reform movement.

5. The nature of Zhong Xing Association: bourgeois revolutionary groups.

6. The nature of China League: the bourgeois revolutionary party.

7. The results of the May 4th Movement; Three initial victories;

1. Force the Beiyang warlord government to release the arrested students.

2. Cao Rulin and other traitors were dismissed.

Refuse to sign a peace treaty with Germany

8. The reason for the victory of the Northern Expedition:

1. The Kuomintang and the Communist Party cooperated to jointly oppose warlord rule.

2. The Northern Expedition was a just war, which was in the interests of the people and won their support.

3. The Northern Warlords are dark and corrupt, with many internal contradictions.

9. The symbol of the failure of the national revolution: Wang Jingwei launched a counter-revolutionary coup on July 15th.