As I am thinking you mean "Producers" when you say "Sellers" I am going to go with, Yes. You are correct it is Supply.
(Also the other one is called Demand not price)
Answer:
C
Explanation:
They transport good from inside africa and the go to nubia and $$$
Answer:
Spain used the mission system as their main method of colonizing because they had new spain already so they could easily expand from that point. Also it allowed them to spread catholicism.
