1. During the new-democratic revolution, the main contradictions in our society were the contradiction between imperialism and the Chinese nation, feudalism and the masses of the people.

After the reform and opening up, the main contradiction in our society is the contradiction between the people's growing material and cultural needs and backward social production.

3. In the new era of Socialism with Chinese characteristics, the main contradiction in our society is the contradiction between the people's growing need for a better life and the unbalanced development.

Main social contradictions:

The principal social contradiction is the contradiction in which the basic social contradiction dominates, regulates or influences other contradictions in a certain society. Other contradictions are non-principal contradictions. Fundamentally speaking, the main contradictions in a certain society often have different forms of expression in different social forms and different historical stages of the same social form.

Refer to the above? China Youth Network-On the Changes of Major Social Contradictions in China in the New Period? Qiushi Correctly understand the main social contradictions in Socialism with Chinese characteristics in the new period