Administrative divisions of China By its political level, when a "city" is referred to, it can be a: By its actual area and population, it can be: When used in the statistical data, the word "city" may have three different meanings: It is important to specify the definition of "city" when referring to statistical data of Chinese cities, otherwise, confusion may arise. For example, Shanghai is the largest city in China by population in the urban area but is smaller than Chongqing by the population within the administration area. Before the establishment of the Qin Dynasty, China was ruled by a network of kings,
Agriculture in China Agriculture in China Agriculture is a vital industry in China, employing over 300 million farmers. China ranks first in worldwide farm output, primarily producing rice, wheat, potatoes, tomato, sorghum, peanuts, tea, millet, barley, cotton, oilseed and soybeans. The development of farming over the course of China's history has played a key role in supporting the growth of what is now the largest population in the world. Analysis of stone tools by Professor Liu Li and others has shown that the origins of Chinese agriculture is rooted in the pre-agricultural Paleolithic. During this time, hunter-gatherers harvested wild plants with the same