There exist profound social and historical roots for Soviet Union to choose the planned economic system in the wake of the October Revolution, when the country was promoting the process of socialism.

Historical Origins of the Institute of Pacific Relations and its Activities during the Early Period;

It further explains the historical origin of competitive sports and points out some characteristics of the newly arisen competitive sports items.

Exploring the Historical Source of the Ethicization Trend of the Late Greek Philosophy;

Its historical sources include: Germany, Italy and Japan are the aggressing states in history; the bourgeois revolutions were incompleted in the three countries; Germany and Japan were typical militarism.

From the historical roots of "lawsuit-less" values people can see that, as traditional Chinese values in law culture and the basic symbol for realizing a Great Harmony society, "lawsuit-less" values has great influence on later ages, and even become an obstacle for our construction in legality.