When it comes to history, we should talk about it seriously.

In the last century, the late 1980s and the early 1990s.

A huge political change has affected the pattern of the whole Eurasian continent, the dramatic change of Eastern Europe.

At that time, more than a dozen Eastern European countries were still under the jurisdiction of the Soviet Union, and the political and economic system had undergone fundamental changes.

Lao Maizi's way of managing the country was eventually replaced by that of the Europeans and Americans.

First came Poland.

later extended to East Germany, Hungary, Bulgaria, Romania and so on.

What organizations did these countries join under the coercion...