Step 2 introduce
The Qin Dynasty (2265438 BC+0-207 BC) is an extremely important dynasty in the history of China and the first unified dynasty in the history of China, which was developed by Qin at the end of the Warring States Period.
3. Achievements
From 230 BC to 22 BC1year, Ying Zheng, the first Qin Emperor, defeated the six countries of Kanto successively, thus completing national reunification. Later, the Huns were attacked in the north and Chao in the south, and an unprecedented unified empire was established in China. A series of new policies were adopted in politics, military affairs, economy, transportation, culture and opening to the outside world, which greatly strengthened the unity of the whole country and had a considerable impact on later generations.
The Qin Dynasty ended the 500-year-old warlord regime since the Spring and Autumn Period, and became the first centralized country in China's history, with the Chinese nation as the main body and multi-ethnic groups living in harmony. It initiated the emperor system and the central official system represented by three officials and nine officials, abolished the enfeoffment system and replaced it with the county system, completely breaking the Shi Qing Shi Lu system since the Western Zhou Dynasty, effectively safeguarding national unity, strengthening the central government's control over local areas, and laying the foundation for the rule of China's unified dynasty.