"A library outranks any other one thing a community can do to benefit its people. It is a never failing spring in the desert."- AndrewCarnegie
I think that the answer for you question would have to be C
The answer (I believe) is C. Definitely not D, and B. seems unlikely too along with partnerships.
Answer: D. through interaction and long-distance trade.
Explanation:
Because the Mayans, Inca, and Aztecs had helped by using the Colombian exchange by trading with other countries.
I hope this helps you.
