Economics
The treasure fleet voyages cost Ming China vast amounts of
money and brought nil returns since they were not trade excursions but only
brought back exotic novelties. As a result, the government recovered little of
the cost. Moreover, China was self-sufficient and did not need anything from
the Indian Ocean countries
Tendency to view something in a particular way (I think)
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Answer: he will never forget that slavery is a bad thing and he heard that equality is a good thing
Explanation: I just know this cause I read a biography and made a made one about him because a school assignment
They brought different things with them, like different beliefs and religions. They also brought different technologies as in tools.