What does the phrase "south of the sahara" have to do with the phrase "the dark continent"?

Question

What does the phrase "south of the sahara" have to do with the phrase "the dark continent"?

Answer 1

They both refer to Africa.

They particularly refer to countries that are geographically located south of the Sahara desert.  These countries contain 80% of the population of the entire continent; 'the dark continent' was a romantic name for this unknown and underexplored region of the world to the Europeans of the 19th century.

Answer 2

Africa is considered the "Dark Continent" and the Sahara is in Africa.

Answer 3

Sub Saharan Africa is often considered separately from North Africa.for cultural and ethnic reasons as much as physical geography. North Africa is linguistically Arab and Berber, ethnically Mediterranean, and culturally part of the Middle East. South of the Sahara, are the Bantu, Nilotic peoples, and the KhoiSan plus Europeans in South Africa.  Some of these countries have large Muslim populations but do not speak Arabic.

Answer 4

Africa was known as the dark continent