First of all, talk about the contribution of Emperor Yang Di to history:
First, establish the imperial examination system.
In 600 AD, Yang Di ascended the throne and became the second and last emperor of the Sui Dynasty. After Yang Di ascended the throne, he opened the imperial examination system, changed the traditional employment system in China feudal society, and opened the channel between the bottom and the top, which laid the foundation for the spread of the imperial examination system for thousands of years. This is Yang Di's great contribution to history, and it is also the only channel for the rise of intellectuals at the bottom.
Second: build the Grand Canal.
After Yang Di ascended the throne, in order to develop the economy, he began to collect migrant workers all over the country and build the Grand Canal. After the Grand Canal was completed, it not only strengthened the economy and culture of the north and south, but also changed the economic structure of China and the fate of various dynasties, laying a good foundation for the economy of eastern China.
Third: move the capital to Luoyang.
Yang Di moved his capital to Luoyang after he ascended the throne. Because the original capital was destroyed by the war, it was densely populated, so it was necessary to move the capital. After moving the capital to Luoyang, the economic and military development of the Sui Dynasty was further improved, and the advantages of moving the capital outweighed the disadvantages of aquatic plants.
Mistakes during the reign of Emperor Yang Di;
First: start a war.
Yang Di laid a solid foundation when he ascended the throne because of the diligence and persistence of Emperor Wen in the early period. The state treasury is full of grain, and Mazhuang soldiers are strong. Therefore, Yang Di began to wage war after he ascended the throne, which not only conquered three Koreas, but also conquered the western regions and other countries, which led to the weakness of the country and many people died in the battlefield.
Second: increase taxes.
Due to Yang Di's serious extravagance and waste, the national finance was soon empty. In order to meet their daily consumption and national operation, Yang Di began to increase taxes, which made the life of the bottom people more difficult, and then triggered peasant uprisings in various places, which directly affected Yang Di's rule and eventually ruined the Sui Dynasty.
Third: covet pleasure, not doing business.
Because the foundation laid by Emperor Wendi of Sui Dynasty was too solid, Yang Di didn't learn from his father's spirit of diligence and love for the people after he took over the country, so he began the imperial life of being greedy for pleasure and doing nothing, which led to more and more decadent state affairs, more and more serious corruption, and more and more dark society, which led to the country slowly moving towards the abyss of death. Yang Di not only didn't notice this, but also became more and more headstrong, which made the Sui Dynasty not headstrong at all.
The Sui Dynasty did not occupy a high position in the history of China. Although it exists for a short time, its historical contribution is beyond doubt. Even today's college entrance examination is deeply influenced by the imperial examination system, but unfortunately, Emperor Yang Di went his own way and indulged himself in pleasure, which eventually ruined the country.