I'm not 100% sure... but I would say B.
Answer:
Rugged and undulating are the two ways which shows that topography effects the population of an area.
Explanation:
Topography has a great effects on the distribution of population. Rugged topography is a type of topography in which the surface is uneven and rocky while undulating topography refers to land which is just like waves having lower and higher points. So both of these topography decreases the population of people because on these lands walking is difficult due to no roads and uneven surface so that's why people settle on the plain areas.
The phrase “Global South” refers broadly to the regions of Latin America, Asia, Africa, and Oceania. It is one of a family of terms, including “Third World” and “Periphery,” that denote regions outside Europe and North America, mostly (though not all) low-income and often politically or culturally mar- ginalized.
Mansa was a royal title for leaders of the Malian Empire. It means something like "King" or "Super-King" or "Kingiest King."
Mansa Musa was one of the most important Mansas. He lived from the late 1200s to the early 1300s, and reigned over the Malian Empire at the peak of its power.