Study on the Historical Causes of “the Great Leap Forward”;

The House of the Seven Gables:a romantic interpretation of social history;

A Perspective of Marxism to Theory of Traditional Chinese Social History;

A reasonable understanding of technological essence should be based on the social history, .

The article intends to find out some profound historical reasons and theoretical roots for the emergence of the serious mistakes and deviation made by Mao Zedong.

There are five main historical reasons for the prevalence of sexual love literature during Ming & Qing dynasties.

This paper has posed its historical reasons of the Third-Line Construction from three aspects: Firstly, preparation for wars is the main reason of the Third-Line Construction.

Discussion about the historical reason of the folk forest industry development in Heilongjiang in the modern era

The paper has analyzed the calligraphy literature record in all previous bibliography from"HanshuYiwenzhi (汉书·艺文志)"to"Sikuquanshuzongmu (四库全书总目)", we outlined the calligraphy literature development survey and tried hard to reveal its historical reason.

Finally,Lenin once s aid there were historical reasons about it.

According to history reason,the Chinese society is a "have a nation of society" differing from "have no nation fo society " ever since Xia、Shang and Zhou Dynasties.