Zhou Enlai
Political activities

In personal terms, 1925 was also an important year for Zhou. Zhou had kept in touch with Deng Yingchao, whom he had met in the Awakening Society while in Tianjin; and, in January 1925, Zhou asked for and received permission from CCP authorities to marry Deng. The two married in Guangzhou on 8 August 1925.

Zhou's work at Whampoa came to an end with the Zhongshan Warship Incident of 20 March 1926, in which a gunboat with a mostly Communist crew moved from Whampoa to Guangzhou without Chiang's knowledge or approval. This event led to Chiang's exclusion of Communists from the academy by May 1926, and the removal of numerous Communists from high positions in the Nationalist Party. In his memoirs, Nie Rongzhen suggested that the gunboat had moved in protest of Zhou Enlai's (brief) arrest.

Zhou's time in Whampoa was a significant period in his career. His pioneering work as a political officer in the military made him an important Communist Party expert in this key area; much of his later career centered on the military. Zhou's work in the CCP Guangdong Regional Committee Military Section was typical of his covert activities in the period. The Section was a secret group consisting of three members of the Provincial Central Committee, and was first responsible for organizing and directing CCP nuclei in the army itself. These nuclei, organized at the regimental level and above, were "illegal", meaning they were formed without Nationalist knowledge or authorization. The Section was also responsible for organizing similar nuclei in other armed groups, including secret societies and key services such as railroads and waterways. Zhou did extensive work in these areas until the final separation of the Nationalist and Communist parties and the end of the Soviet-Nationalist alliance in 1927.
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