In which event was the slogan in the material 1 put forward? What were the social contradictions in China at that time?

Material 1: "Fighting for national rights outside, punishing national thieves inside" and "refusing to sign a peace treaty".

Material two strikes to save the country, two strikes to save the country, my two circles stand up; People will not die, and the Republic of China will not die. May you work hard!

Material 3 "advocates domestic products, not Japanese products" and "doesn't work for the Japanese".

Please answer:

In which event was the slogan in (1) material 1 put forward? According to these slogans, what do you think was the main contradiction in China society at that time?

(2) What is the "two realms" in Material II?

(3) What does "not working for the Japanese" mean?

This question analyzes and examines students' ability to recognize and reproduce basic knowledge and analyze problems, and can be answered according to the materials and knowledge they have learned. The question (1) slogan shows the May 4th Movement. Question (2) From the "strike" and "strike", we can know that it is academic and business circles. (3) The problem of "not working in Japan" shows that the working class has awakened to oppose imperialism.

The answer (1) was put forward during the May 4th Movement. Main contradictions: the contradiction between imperialism and the Chinese nation, and the contradiction between the people of China and the government of Beiyang warlords.

(2) "Two Boundaries" refers to academic circles and business circles.

(3) It shows that the working class is awakening. (reasonable)