Members of the League, represented by Dr. Sun Yat-sen, adopted the propaganda slogan of the Three People's Principles of "expelling the Tatars, restoring China, establishing the Republic of China, and sharing land rights equally". In the original program of 16, the Kuomintang (League) stated that "expel the Tatars, restore China, establish the Republic of China, and share land rights", so it later developed into the Three People's Principles of People's Livelihood, Nationality and Civil Rights. It means Sun Yat-sen's nationalism. That is, it overthrew the feudal rule of the Manchu Dynasty by revolutionary means, directed the struggle at the decadent Qing Dynasty, and also dealt a blow to the imperialist forces of aggression in China. "Establishing the Republic of China" is Sun Yat-sen's civil rights thought. Is to carry out political revolution, overthrow the feudal monarchy and establish a bourgeois republic. Democracy is the core of Sun Yat-sen's Three People's Principles and the "foundation of political revolution".