History of the Republic of China
On the other hand, since the failure of the Second Revolution, Sun Yat-sen and his allies were trying to rebuild the revolutionary movement. In July 1914 Sun established the Chinese Revolutionary Party (). He felt that his failures at building a consistent revolutionary movement stemmed from the lack of cohesiveness among its members. To that end, Sun required that party members to be totally loyal to Sun and follow a series of rather harsh rules. Some of his earlier associates, including Huang Xing, balked at the idea of such authoritarian organization and refused to join Sun. However, they agreed that the republic must not revert to imperial rule.
History of China
In 1919, the May Fourth Movement began as a response to the terms imposed on China by the Treaty of Versailles ending World War I, but quickly became a nationwide protest movement about the domestic situation in China. The protests were a moral success as the cabinet fell and China refused to sign the Treaty of Versailles, which had awarded German holdings to Japan. The New Culture Movement stimulated by the May Fourth Movement waxed strong throughout the 1920s and 1930s. According to Ebrey: