 Soviet advisers also helped the KMT to set up a political institute to train propagandists in mass mobilization techniques, and in 1923 Chiang Kai-shek, one of Sun's lieutenants from the Tongmenghui days, was sent to Moscow for several months' military and political study.At the first party congress in 1924 in Kwangchow, Kwangtung, (Guangzhou, Guangdong) which included non-KMT delegates such as members of the CPC, they adopted Sun's political theory, which included the Three Principles of the People – nationalism, democracy and people's livelihood.When Sun Yat-sen died in 1925, the political leadership of the KMT fell to Wang Jingwei and Hu Hanmin, respectively the left-wing and right-wing leaders of the party.