The order in which the Qin Dynasty unified the six states

The State of Qin successively conquered Han, Zhao, Wei, Chu, Yan, and Qi. 1. In 246 BC, Ying Zheng became the king of Qin. Due to his young age, state affairs were handled by the empress dowager, Prime Minister Lü Buwei, and Lao Tu. 2. In 238 BC (the ninth year of King Zheng of Qin’s reign), King Zheng took direct control of the government, eliminated people such as Lü and Lao, appointed Li Si and Wei Liao to important positions, and began to pursue a strategy to unify the six states. 3. In the first 230 years before our era, the Qin state sent the official Tian Shi Teng to lead an army against Han; he captured the king of Han. 4. In 229 years before our era, the Qin state sent the general Wang Jian to lead an army against Zhao. In 228 years before our era, the Qin troops entered Handan, and the king of Zhao surrendered by handing over maps; thus, the state of Zhao was destroyed. 5. In the first 225 years, Qin sent Wang Ben to lead an army against Wei; they diverted river water and canal water to flood Wei’s capital, Daliang. King Jia of Wei surrendered, and Wei came to an end. 6. In the first 223 years, Qin sent Wang Jian with an army of 600,000 troops to attack Chu; the king of Chu was wounded and captured, leading to the downfall of Chu. As early as 227 BC, the crown prince of Yan sent Jing Ke to assassinate the King of Qin, but the attempt failed. Taking advantage of this, Qin conquered Su City, the capital of Yan, in 226 BC. King Xi of Yan moved to Liaodong, and by 222 BC, Qin attacked Liaodong and captured King Xi of Yan, leading to the downfall of Yan. 7. In 221 BC (the 26th year of King Zheng of Qin’s reign), Qin sent Wang Ben to lead an army in a campaign from the north to the south against Qi; King Jian of Qi was captured, and Qi came to an end. Your teacher is truly talented·······