In "Qinxinyuan Snow" there is a sentence about "Qin Emperor and Han Dynasty". What are the main achievements of "Qin Emperor"

Qin Shihuang made many unprecedented achievements in unifying China

1. Unified the writing system, making it the foundation of a nation, and it is still in use today;

2. The abolition of enfeoffments and the establishment of counties and counties became the standard model for management after the unification of China, which lasted for thousands of years;

3. Unification of currency and weights and measures greatly facilitated domestic exchanges in business;

4. Cars are on the same track and roads are at the same distance. The construction of the Qinzhi Road greatly facilitates domestic transportation;

5. Burning the history books of the Six Kingdoms objectively unified thinking and avoided historical issues. which led to the division of the country; but copies of the destroyed ancient books from various countries have been preserved. The subsequent destruction was caused by Xiang Yu's burning of the capital of Qin;

6. The construction of Ling Canal strengthened the control of the Pearl River Basin, and Make this area forever China's territory;

7. Build the Great Wall to resist the invasion of the Hu people in the north. , Zhejiang, Guangdong and Guangxi were included in the territory of China.

9. Attack the Xiongnu in the north, recapture the Hetao area, and make this area a Chinese territory forever. This established the basic pattern of China's unified multi-ethnic centralized state.