does anyone wanna zoom with me pls i am bored and have nothing to do pls join it would make my day and i am a girl and i am not looking for a man haters lol

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.