During the time of the Tang Dynasty in the 600's AD China could have become a major colonizer of western hemisphere due to their strong hold on ship building and navigational technologies. They had a huge manpower and all the resources, still they chose to not colonize the world. By 1400's China had tremendous maritime technologies and had enormous fleets at hand for their several voyage expeditions that took place till 1433, but they did not colonize the world as it was against the nature of the historical Chinese states to not explore, to not colonize or to not expand outside its sphere of influence in East Asia.
The Correct Answer is Regulations
The South could produce all the food it needed, though transporting it to soldiers and civilians was a major problem. The South also had a great nucleus of trained officers. Seven of the eight military colleges in the country were in the South. The South also proved to be very resourceful.
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