Identify the significance of the terms to the subject of the civil war ( a. tributary b. ironclad c. casualty

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.

The correct answer is "  it was believed that the dispute emerged in 632 just after the death of the prophet muhammad."