President Wilson believed that as a neutral power, the United States should: A. embrace isolationist policies.
B. accept Germany's policy of unrestricted submarine warfare.
C. refuse to trade with any warring nations.
D. work for a peace without victory.

Probably B, not 100% sure correct me if not.. !

Explanation:

the mother countries succeed in doing that by using the colony's natural resources, facilities in a colony, they do not take good care of these facilities, causing them to fail. this has had negative and positive effects on the people of africa, they then governed through direct or indirect rule depending on the country.

hope thsi

the social contract theory