Answer: the answer would be A. a rule about what is appropriate.
Explanation:
the definition of a cultural norm is a rule about how we act and what is appropriate, so I believe that is your answer.
There are many geographic effects that can be seen from the colonization of Africa, but the most important one is that the colonizers drew random lines on a map to separate the tribes.
The Hudson River in New York and the Delaware River in Philadelphia both had ports so trader could sell their goods to England or other places.
