Brazzaville is the capital of which country?

Praia is the capital of which country? Bangui is the capital of which country? N'Djamena is the capital of which country? Kinshasa is the capital of which country? Cairo is the capital of which country? Asmara is the capital of which country? Addis Ababa is the capital of which country? Libreville is the capital of which country?