Qin Shi Huang, the territory of China was basically formed in his hands, ending the spring and autumn Warring States for nearly four hundred years of division, so that the seven countries that were originally divided were unified for the first time, forming a unified multi-ethnic country in history, he can indeed be called the first person in China's ancient times.
Kangxi, who ascended to the throne at the age of eight, personally commanded the attack on Dzungar, defeated Russian aggression, defended national unity, and was the defender of China's unified multi-ethnic state, laying the foundation for the prosperity of the Qing Dynasty, creating a prosperous situation of Kangqian, and being respected by later scholars as "one emperor throughout the ages".
Emperor Wudi of han, during the period of Emperor Wudi of han, almost laid the basic territory of China, and when he was in power, he not only attacked by force when others provoked him, but also pursued it in order to avoid the troubles of the future, and his violent means almost laid the territory for China, but also became an important reason for the withering of the Later Han Dynasty.
Emperor Taizong of Tang, who was the second emperor of the Tang Dynasty, seized power after launching the "Xuanwumen Rebellion" and officially took the throne after the abdication of Li Yuan, the emperor of Tang Gaozu. During his reign, he realized recuperation and national peace, and created the famous "Rule of Zhenguan" in history, which was praised by later generations as "the first emperor of all ages".