Major city-states in eastern and western africa frequently shared successful trading as a foundation. what characteristics of their locations would make this possible? a) they were located in places with temperate climates good for settlement. b) they were located near or along important and lucrative trade routes. c they were located in former roman colonies with existing infrastructure. d) they were located near important industrial centers and cheap labor.

A) They were located in places with temperate climates good for settlement.

Explanation:

Major city States in Adrica were frequently settled in places with temperate climats, good for settlement, keep in mind that African continet is filled with hard hot climates that wouldn´t allow for people to settle, and they had the succesful vision to found their economy on trades with the sub-continental african tribes that were able to get access to limited resources like gold and ivory and with the European powers that could pay for those resources.