<Li> Cameroon cap . Yaoundé cur . Central African CFA franc (FCFA) lang . English, French </Li> <Li> Central African Republic cap . Bangui cur . Central African CFA franc (FCFA) lang . Sango, French </Li> <Li> Chad cap . N'Djamena cur . Central African CFA franc (FCFA) lang. French, Arabic </Li> <Li> Republic of the Congo cap . Brazzaville cur . Central African CFA franc (FCFA) lang. French </Li>

How east african states were different from their counterparts in western africa