1. The red story is about what happened during the Chinese people’s struggle to win the victory of the new democratic revolution, especially some of the great people and some revolutionary heroes who were related to the founders of New China. story. Social revolution is the locomotive of historical development; its most profound root is the contradiction between production relations and productivity.

2. Compared with reform, it is a top-down change. For example, at the political level, overthrowing an autocratic monarchy through violence from the bottom up and establishing a democratic political system is called a revolution, but there are also peaceful revolutions.

3. When the existing production relations become a serious obstacle to the continued development of productive forces, it is necessary to change the old production relations and the old superstructure that maintains the old production relations through revolution, that is, to change the social system and liberate The tethered productive forces drive society to further develop.

4. On the contrary, a constitutional monarchy is implemented from the imperial system from top to bottom and a democratic parliament is established, which is called reform. Revolutions are usually more radical and violent, while reforms are more conservative and moderate. In a class society, social revolution is an inevitable trend and concentrated expression of class struggle, which usually requires the use of violence.

5. A major innovation at the industrial level is called the Industrial Revolution. It usually refers to changes in the current industrial or production model, that is, replacing old manpower with new machines such as steam engines to improve production efficiency.