Briefly describe the historical achievements of Qin Shihuang.

From 230 years ago to 22 1 year ago, Ying Zheng, the first Qin Emperor, destroyed the six countries of Korea, Zhao, Wei, Chu, Yan and Qi successively. At the age of 39, he completed the great cause of reunifying China, established a powerful centralized country with the Han nationality as the main body, and laid the territory of China.

Second, unify writing and weights and measures.

Qin Shihuang realized the unity of writing and weights and measures, and greatly strengthened the cultural integration and economic exchange and development among all ethnic groups.

For more than two thousand years, no matter how far apart, from a few kilometers to thousands of kilometers, people in different regions have different living habits and languages, but as long as they can read and write, they can achieve barrier-free communication.

Third, build a straight road.

In order to strengthen the control of China after reunification, Qin Shihuang built straight roads all over the country, which was the first time that human beings built expressway. Besides straightening roads, Qin Shihuang also dug canals to connect the Yangtze River and the Pearl River. After a short trip to the frontier, the territory of China was basically laid.

Fourth, develop northern Xinjiang.

Qin Shihuang encouraged ordinary people to move to the frontier. For example, in the thirty-sixth year of Qin Shihuang (2 1 1 years ago), 30,000 mainland immigrants settled in Beihe and Yuzhong at one time, all of which were "first-class".

While cultivating land and guarding the border, these immigrants and criminals played an important role in developing the northern border and enriching military equipment.

This is of positive significance to the formation of a unified multi-ethnic country in ancient China, the promotion of economic and cultural development in these remote areas, and the protection of the lives and property of people of all ethnic groups, including the Huns.

Verb (abbreviation for verb) to build the Great Wall.

The Great Wall was built to protect people's lives and property on the northern border, and its purpose was to reduce people's burden. Because the Huns are nomadic people, their cavalry activities are very extensive. Without the Great Wall, many troops will be needed to defend them, which will add a great burden to the people.

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