The kingdoms of ghana, mali, and songhai were all able to achieve golden ages in part because of their
(1)reliance on sugar plantations in the niger delta
(2)control of trans-saharan trade routes
(3)discovery of oil reserves in the gulf of guinea
(4)ability to use the natural harbors on the atlantic ocean coast

The best and most correct answer among the choices provided by the question is the second choice. The kingdoms of Ghana, Mali, and Songhai were all able to achieve golden ages in part because of their control of the trans-Saharan trade routes. I hope my answer has come to your help. God bless and have a nice day ahead!

This is what i found on google “the first mobile phone call was made 40 years ago today. on april 3, 1973, motorola employee martin cooper stood in midtown manhattan and placed a call to the headquarters of bell labs in new jersey.” i hope this you for what your looking.