What are the key points of modern Chinese history and what are the main contents of modern Chinese h

Xinhai Revolution, Westernization Movement, Unequal Treaty, Liberation War.

The process of China's degeneration into a semi-colonial and semi-feudal society was:

1. The signing of the first unequal treaties such as the Opium War and the Treaty of Nanking began to degenerate into a semi-colonial and semi-feudal society.

After the end of the Opium War, the Western powers led by Britain forced the Qing Dynasty to sign the Treaty of Nanjing, the Treaty of Commerce, the Treaty of Humen, the Treaty of Wangxia, and the Treaty of Whampoa. The signing of this series of unequal treaties has had a tremendous impact on Chinese society.

2. The Second Opium War and the signing of the Treaty of Tianjin, the Treaty of Beijing, etc., deepened the degeneration into a semi-colonial and semi-feudal society.

During the Second Opium War, Russia, the United States, Britain and France, and Britain and France successively forced the Qing Dynasty to sign a series of unequal treaties such as the Treaty of Tianjin and the Treaty of Beijing, which deepened the degree of semi-colonial and semi-feudal China.

3. The First Sino-Japanese War and the signing of the Treaty of Shimonoseki greatly deepened the degeneration into a semi-colonial and semi-feudal society.

In the Sino-Japanese War of 1894-1895, China was defeated and forced to sign the Treaty of Shimonoseki with Japan, which brought serious harm to modern China.

4. The Eight-Nation Alliance's War of Aggression against China and the signing of the Treaty of Xinchou - completely reduced to a semi-colonial and semi-feudal society.

In the 1900 Eight-Nation Allied War of Aggression against China, China was defeated again and was forced to sign the humiliating Treaty of Xinchou with 11 countries, including Britain, Russia, Germany, and France.

First, the capitalist-imperialist invading forces have not only gradually manipulated China's financial and economic lifelines, but also gradually controlled China's politics, becoming increasingly the decisive force dominating China.

Second, China's feudal forces are declining day by day and colluding with foreign invading forces, becoming the social foundation and ruling pillar of capital-imperialist oppression and enslavement of the Chinese people.

Third, although China's natural economic foundation has been destroyed, the land ownership system of feudal landlords, the foundation of the feudal exploitation system, is still maintained in a vast area, which has become a serious obstacle to China's modernization and democratization.

Fourth, although China's emerging national capitalist economy has emerged and played a certain role in political and cultural life, under the oppression of imperialist feudalism, its development is very slow and its strength is very weak, and most of it is more or less connected with foreign capital, imperialism and domestic feudalism.

Fifth, because modern China was under the contention and indirect rule of the capitalist-imperialist powers, the economic, political, and cultural development of various regions in modern China was extremely unbalanced, and China was in a state of disunity for a long time.

Sixth, under the dual oppression of capital, imperialism and feudalism, the broad masses of the Chinese people, especially the peasants, have become increasingly impoverished and bankrupt in large numbers, living a life of hunger and cold and without political power.