What what was the key to china's social system

The social structure of China has an extensive history which begins from the feudal society of Imperial China to the contemporary era. The Chinese social structure of China has four classes as represented in the Chinese flag as the four classes.

The  frame of government of pennsylvaniawas a constitution for the  province of pennsylvania a  proprittarycoony granted to  william penne by  charles ii of england. the frame of government has lasting historical importance as an important step in the  development of american and world democracy.

Social and economicthe concept of international social responsibility is the expectation that mncs concern themselves about social and economic effects of their decisions regarding activities in other countries.