The answer is
B. Subculture
Africa is known for their precious diamond mining so diamond is one. Oil is also another big thing
In David P. Bradley’s “Indian Country: The Art of David Bradley’, the objects that show the relationship between modernity and tradition are the airplanes versus clouds. Indian Country: The Art of David Bradley can be seen at the Museum of Indian Arts and Culture from Feb. 15, 2015 until January 16, 2016.
This would be mostly Great Britain and France: you can see that many countries today still speak English and French in Africa.
Portugal also had some land under its control: Angola and Mozambique.
Now, I am unsure about the forth one, as there is a number of countries that had a colony, but were not as present as the ones I mentioned above. These are Belgium, Italy, Germany and Spain.
