The kidnapping of this politician at his country’s legation in London ended after the intervention of James Cantlie. After leading the Constitutional Protection Movement, this politician issued a manifesto with the diplomat Adolph Joffe that declared the Soviet system incompatible in his country. The United League was formed by this politician, who included nationalism, democracy, and welfare in his (*) Three Principles of the People. In 1925, this politician died of reported liver cancer and was entombed at Purple Mountain. This politician was elected to his highest position following the Xīnhài [shin-HAI] Revolution but resigned in favor of Yuán Shìkǎi after the last Qīng emperor abdicated. For 10 points, name this founder of the Kuomintang and first President of the Republic of China. ■END■
ANSWER: Sun Yat-sen [or Sūn Yìxiān; or Sūn Zhōngshān or Sun Wen or Sun Deming or Sun Dixiang or Nakayama Sho]
<History - World History>
= Average correct buzz position