27. Which factor most influenced the development of
diverse cultures in pre-Columbian South America?
A. trade agreements
B.
geographic features
C. imported religious ideas
D. peasant revolts

The answer is B. Geographic features Hopefully this helps!

explanation:

with the profits from the european sales, merchants purchased europe's manufactured  goods, including tools and weapons. then the merchants shipped those manufactured  goods, along with the  american  sugar and rum, to west africa where they were bartered for  slaves.