Respuesta :
The Maya and the Olmecs are Mesoamerican civilizations that were not known to Europe and Africa before Columbus. Han dynasty ruled ich China- so it's not a good option either.
The correct answer is the Kingom of Axum, in today's Ethiopia, which had trade relations with the Roman Empire.
The correct answer is the Kingom of Axum, in today's Ethiopia, which had trade relations with the Roman Empire.