What is the name for the time period depicted?
a) age of columbus
b) age of exploration
c) age of slavery
d) age of commerce

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration

this is true hope this

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there is not all the infomation needed to answer this question.   we need the who was going, or we need to know what islands you are talking about.