The correct answer is <span>C. promote Islamic scholarship in their territories.
This way, they can convert the citizens of the territory to Islam and gain new followers and believers. </span>
Free trade and custom union is similar based on internal arrangements.
Explanation:
In case of free trade no tariff is required but each and every member state is free to set their own external tariff. On the other hand the custom union is not having any tariff but all members of custom union has a same external affair.
In case of free trade all the barriers regarding trade among the member countries are not there. On the other hand the custom union develops a common trade with respect to the non members.
One of the example of free trade is NAFTA and on the other hand the example of custom union is single market.
Christopher Columbus' ships that sailed across the Atlantic to the New World (America)
