Answer: The 'Four Class System' was a legal caste system in the Yuan Dynasty. After the founding of the Yuan regime, Kublai Khan, the first emperor in the Yuan Dynasty, set up this system to consolidate the ruling status of the Mongolian Ethnic Minority, which had a small number with great disparity to the majority Han people.
Explanation: Brainlest would be appreciated.
Sun Yat-sen lead the Xinhua revolution that overthrew China's Qing Dynasty. He founded societies that lead and funded several uprising before Xinhua all over China. Most of his efforts are planning and finding funding while in exile. His influence of locals and Chinese living in different countries poured donation that funded his cause. He also attempted to make an alliance with the different nation like Japan and Philippines however, he failed.
