From what areas do the majority of emigrants to the united states come?

a. asia and the americas
b. africa and asia
c. africa and europe
d. asia and europe

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explanation:

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity