Natural monopoly
I’m pretty sure that is the answer
I believe Correlation is not causation" means that just because two things correlate does not necessarily mean that one causes the other. As a seasonal example, just because people in the UK tend to spend more in the shops when it's cold and less when it's hot doesn't mean cold weather causes frenzied high-street spending.
The best that express the goal of Pan-Africanism of the late 1960s is letter C) to fight for the end of imperialism in Africa.
Pan-Africanism is seen as an endeavor to return to what are deemed by its proponents as singular, traditional African concepts about culture, society and values and there was also an important theme: "Pan.Africanism sees the historical links between different countries on the continenet and the benefits of cooperation as a way of resisting imperialism and colonialism.
The sanskrit word nirvana refers to the destruction or cessation of desire. It means one has to empty thyself from desires. By eliminating desires one is also eliminating afflictions, actions, rebirths, and suffering that are consequences of afflictions and actions.