A unified China ended the war at that time, established a unified, centralized and powerful country with the Han nationality as the main body, and laid a national plate.

Unifying the written language has promoted the economic and cultural exchanges between various places and ethnic groups and has had a far-reaching impact on later generations.

Economically unified currency, unified measurement, and promoted the development of history.

Militarily, the Great Wall was built, which contributed to the later fight against the Huns.

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Introduction to Qin Shihuang's resume

(259 years ago-2 years ago10 years ago), won the surname, Zhao, Son of King Xiang of Qin Zhuang. Born in Handan, the capital of Zhao, he succeeded to the throne at the age of thirteen, proclaimed himself emperor at the age of thirty-nine, and reigned for thirty-seven years. China is a famous politician, strategist and reformer in history, and also the first iron-fisted politician to complete the reunification of China. The establishment of the first multi-ethnic centralized state, with the title of "Emperor" of Huang San and "Emperor" of five emperors, was the first feudal dynasty monarch at all times and in all countries.

References:

Baidu encyclopedia-Qin Shihuang