What led to west african settlements becoming important centers of trade?

The map shows latitudes and longitudes of australia. which australian city is located north of the 15°s latitude? perth brisbane melbourne darwin

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.

True or false: a trust is a giant corporation made up of a group companies