How and why did different systems of governance develop in various Chinese dynasties as a method of responding to the issues that faced the region at the time

Tang and song dynasties were Bureaucracy which is a system of government where the important decisions are made by state officials

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in contrast, the biological controls are self-sustaining, inexpensive and very effective once established. biological control could be used on thousands of golf course acres, improving their biodiversity and quality as wildlife habitat. in the process, the golf industry will be shown to be leaders in an environmental stewardship program of benefit not only to the lands they manage but also to the watersheds in which they exist.

it for the workers lik if you have a job thats what its for

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