No matter how noisy the students were, they didn't shake the political situation, and the scholars rebelled for ten years. The strike in Shanghai ended in vain. After all, workers and businessmen have to feed their families. Finally, the Beiyang government was forced to recall Cao, Zhang and Lu because of the accountability of local governors, especially Wu and other generals with troops. Although Wu was only a humble teacher at that time, how many teachers were there in the country at that time? The electrification of a teacher can completely control public opinion and shake the ruling and opposition parties.