Geographers consider the areas stretching above and below the Sahara Desert as part of the African continent. Some geographers feel the cultures of North Africa are more closely associated with those of the Middle East than with Sub-Saharan Africa. This shows that: ________

a. cultural characteristics can be used to define regions.
b. Africa was subjected to European imperialism
c. most Africans would like to emigrate to the Middle East.
d. North Africa’s physical features prevented contact with the Middle East.