What often happened to african residents of regions that became rich due to exports of local natural resources

Often times the African residents of regions that became rich due to exports of local natural resources would take positions of power in government which sometimes led to corrupt government that became very extractive.

Sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532. i found this information on wikipedia