After the Qing Dynasty pacified the remnants of the Ming Dynasty in the south, Kangxi pacified the "San Francisco" headed by Wu Sangui. Subsequently, Kangxi sent Shi Lang to send troops to Taiwan Province Province, forcing the Zheng regime to defect and unify Taiwan Province Province. After Kangxi signed the Treaty of Nebuchadnezzar Chu with Russia, he recovered inner and outer Mongolia through the battles of Wulanbutong and Zhaomoduo, and sent troops to Yili during the Qianlong period, completely pacifying some separatist forces in Zhungeer and effectively safeguarding national unity.

population growth

In the late Ming and early Qing dynasties, the introduction of high-yield crops such as sweet potato, corn and potato and Kangxi's policy of "never adding grain to the world" strongly promoted the population growth, and the population increased rapidly from 65.438+0.4 billion to 300 million.

Population growth and the introduction of food crops have promoted population migration, promoted the development of the western and border areas, and strengthened the economic and cultural ties between the border areas and the mainland. However, the rapid population growth has led to excessive deforestation and the destruction of the natural environment, which has also restricted the development of industrialization to some extent.

Develop production and prosper economy.

The development of agriculture and the growth of population have promoted the prosperity of urban and rural economy. 18, the number of rural towns increased significantly, with big cities ranking first in the world, and China's economic strength and financial reserves reached an all-time peak.

Cultural prosperity

In the Kanggan era, the Qing Dynasty completed a series of large-scale cultural projects: the integration of ancient and modern books and the Si Ku Quan Shu. Literary achievements include A Dream of Red Mansions by Cao Xueqin and The Scholars by Wu. There are the Palace of Immortality by Hong Sheng and Peach Blossom Fan by Kong. There are a number of royal gardens such as Yuanmingyuan River and chengde mountain resort, which integrate Chinese and western architectural arts.