Lack of cooperation with more advanced civilizations.
It was primarily for the right to vote
In think it is the mayflower, but I am not 100% sure.
Well, based on the information and choices given your answer is going to be "<span>a. expanding China’s overseas trade"
This had been something that Zheng He had done that actually did some really great stuff back then.
I hope this helps!!!!!!!!!!!!!!!!!!!!!!!! Please mark me as Brainiest</span>