Political weakness regionalism- the warlords of 1916-28: increasing lack of unity, abdication, controlled
By warlords
May fourth movement : in the course of this May Fourth Movement (五四运动, Wusi Yundong),.
some 5,000 students from Peking University hit the streets to demonstrate against the Versailles Treaty
Communist and nationalist: GMD made little progress, death of sun general took leadership of GMD, consistently encouraged to cooperate with nationalist USSR