Recent years, majority of the overseas are fighting to study Chinese in China. The foreign students who learn Chinese in China may have mastered the knowledge of the Warring State Period. Since you have learnt the history of Warring State Period from Chinese culture, it is easy for the foreigners who study Mandarin in China to find out that the seven states during the Warring State Period survived in a mess because of wars for pillaging the lands and properties.
To study Chinese in China is the best way to learn Chinese culture from the Warring State Period. During the Warring State Period, the ethnics from the south and north in ancient China continued to launch the succession wars against the central plains, which had posed a serious threat to all the vassals. At that time, the emperor of the Zhou Dynasty, Zhou Tian Zi, survived name only so that he was weak enough to hardly lead the vassals to resist the attacks from the ethnics.
In addition, with the popular slogan “挟天子以令诸侯”, some of strong vassals had set serious of wars among the vassals, fighting against the lands, population and the domination to the other vassals. And majority of the overseas who intend to study Mandarin in China are curious about the slogan. Then the frequent hegemony of war during the Warring State Period had started.
Qi Huangong was the first foremost supremacy in the Warring State Period. When you learn Chinese in China, you can learn this from the history book for the foreign students who are interest to learn Chinese in China. After the death of Qi Xianggong, the sons of him (Prince Jiu and Prince Xiao Bai) who were on the run were anxious to return home in order to take the crown. Under the personal escort of Lu state, prince Jiu left for Qi state, meanwhile he had sent his teacher, Guan Zhong, to kill the prince Xiao Bai who was also on the way home. This exciting story has attracted many students who come to study Chinese in China to pay attention on the history of Qi state in Chinese culture.
Guan Zhong had pierced the belt of Prince Xiao Bai. Then Prince Xiao Bai pretended to be dead, falling in with the will of prince Jiu so that Prince Jiu had slowed down. However, the prince Xiao Bai, with his uncle Bao Shuya, traveled to Qi state day and night and hardships. The result of this story usually makes the student learn Chinese in China passionately. In the 685 B.C., the prince Xiao Bai had succeeded his father on the throne at last.
When Qi Huangong succeeded to the throne, he sent his army to destroy the Lu state immediately. On this account, under the force from the Qi Huangong, the Lu state killed the prince Jiu and Guan Zhong had been repatriated the Qi state at the same time. Guan Zhong was the well-known politician in the Warring State Period. In the eyes of the foreign student that learn Chinese in China, Guan Zhong was also a political talent in the Chinese history from Chinese culture. Therefore, Qi Huangong had assigned Guan Zhong to a chancellor with a clean slate by the Bao Shuya’s persuasion. And then, Guan Zhong had undertaken a series of reforms in agriculture, industry and military. If you are interested on this reform and study Mandarin in China, you can check the information about it in the library.
With carrying out a series of reforms, the Qi state lived with political stability. What’s more, the economic power of Qi state grew. At the same time, the military had stronger effectiveness as well. All these had laid the basis for Qin state to be the supremacy in Warring State Period.