Taxation without representation, England was taxing the colonies and they had so say in how the world (America) would work.
Ancient China produced what has become the oldest extant culture in the world. The name 'China' comes from the Sanskrit Cina (derived from the name of the Chinese Qin Dynasty, pronounced 'Chin') which was translated as 'Cin' by the Persians and seems to have become popularized through trade along the Silk Road.
Because of jobs, safety and family.
The north's economy was based predominantly on manufacturing,shipping, and other factory businesses.
In the south, however, most of the economy was agricultural, requiring many farmworkers.