South America is immediately "below" (to the South) of Central America - so this is not a likely answer. Also, Australia is pretty south, too, a lot more south than Central America.
But (north) Africa is at a similar latitude: this is the correct answer!
Answer:
Strong bargaining power of the buyers
Explanation:
According to David, Walmart, using its large size and volume purchases, negotiates with manufacturers and wholesalers to keep supply costs low so that Walmart can offer lower prices to its customers. This is an example of Strong bargaining power of the buyers. In this scenario the Walmart is acted as a buyer since it is negotiating with the manufacturer and wholesalers.