What is unique about china’s geography and population?  describe how sources of legitimacy have changed throughout china’s history according to the type of rule.

China is the country with the biggest population all around the world.

Explanation:

Even is the third in size, it possess a great population. 20 % of it population live in the small towns, meanwhile the rest live in big cities. Since is an old country, its name "Zhongghuó" that is its original name in Chinese, means central because ancient cultures thought they were the center of the hole planet.

In the XIX century, China was a poor country, but in 1949, when socialism enter in it system, they were different political,  economical and social changes than in 1970´s it started to be a very important country, nowadays it is powerful, rich and organized country.

At the west side is unique because it is localized the highest mountains. Actually, is a country in which the 43 % is made by mountains.

Hope this info is useful.