How did the Qing Dynasty strengthen its jurisdiction over Taiwan, Tibet, and Xinjiang in the early days?

In the early days of the Qing Dynasty, the measures taken to strengthen jurisdiction over Taiwan, Tibet, and Xinjiang were: canonizing the Sixth Panchen Lama of Tibet, establishing General Yili in Xinjiang, General Ulyasutai in Mongolia, and recovering Taiwan during the Kangxi period.

In 1683, the Qing government recovered Taiwan. Taiwan Prefecture and three counties, Taiwan, Fengshan, and Zhuluo, were established in Taiwan, all of which were under the jurisdiction of Fujian Province. ?

At first, the Qing government prohibited mainlanders from immigrating to Taiwan.

But at that time, in the mainland, due to the lack of cultivated land, frequent wars, and years of famine, mainland residents in southern Fujian and Jiaying Prefecture in Guangdong still migrated to Taiwan in large numbers. The Qingming government had no choice but to gradually relax restrictions until it finally lifted the ban and allowed mainlanders to move to Taiwan with their families.

Extended information:

During the Qing Dynasty, the unified multi-ethnic country was consolidated and developed. The rulers of the Qing Dynasty unified the Mongolian tribes, incorporated Xinjiang and Tibet into the territory, and actively safeguarded the country's territorial sovereignty. of completeness.

During the Qianlong period, China's pattern as a unified multi-ethnic world power was finally determined. At its peak, the Qing Dynasty reached Congling and Lake Balkhash in the west, Tangnu Uliang Sea in the northwest, Mobei and Siberia in the north, the Pacific Ocean (including Sakhalin Island) in the east, and the Nansha Islands in the south. Including more than 50 ethnic groups, the country is unprecedentedly unified.