Zheng he did not establish colonies in africa because a) never made it there b) died while exploring it c) his forces were defeated in battle d) he was only to bring back treasure

D) He was only to bring back treasures

Explanation:

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wilsons 14 points

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most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.