Answer:
I think it A and B i hope this helps!
Explanation:
The Ming Voyages. Asia for Educators. Columbia University. From 1405 until 1433, the Chinese imperial eunuch Zheng He led <u>seven</u> ocean expeditions for the Ming emperor that are unmatched in world history.
The answer is "Ideas that will later influence the space program" :) Please mark Brainliest :)