2. Classical period (ancient Greek and Roman period, equivalent to "slave society");

3. Middle Ages (equivalent to "feudal society");

4. Modern times (equivalent to the era of the development and rise of "capitalism");

5. "Long19th century" (industrial civilization era);

6. Contemporary.

history

History, for short, refers to the history of human society. It is a discipline that records and explains a series of historical events in the process of human activities, and it is also a mapping of the present era in many cases.