Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
This nation's highest point, Mount Moco, is located in the series of highlands in the center of the nation, the Planalto da Bie and Planalto da Hulla. Those mountainous regions give rise to the Kwango and Cubango Rivers, but most of the nation's population is concentrated along the Atlantic Coast. Its city of Namibe borders the Nanib Desert to the south, but, FTP, what strife-torn nation's largest city is the northern city of Luanda
A:
Social Science