1) Yuan Shikai played a major role in the failure of the early Chinese republic by consolidating power and ruling as a dictator, ignoring the new constitution.
2) Other key reasons for failure included China's lack of democratic political tradition, the selfish interests of local elites, and disunity among progressive forces.
3) The failure led to warlordism dominating China after 1916 and a neglect of reforms, increasing foreign control and inviting further aggression.