Original sentence: The PRC contends that all subsequent Chinese governments (Ming Dynasty, Qing Dynasty, ROC and PRC) have succeeded the Yuan Dynasty in exercising de jure sovereignty and de facto power over Tibet.Tibet and the territory of Song China were both ruled by the Mongol Yuan dynasty, and Tibet was later ruled by the majority of the Qing dynasty
Edited sentence: The PRC contends that according to the Succession of states theory in international law all subsequent Chinese governments (Ming Dynasty, Qing Dynasty, ROC and PRC) have succeeded the Yuan Dynasty in exercising de jure sovereignty and de facto power over Tibet.Tibet and the territory of Song China were both ruled by the Mongol Yuan dynasty, and Tibet was later ruled by China for the majority of the Qing dynasty