The document summarizes three West African empires: 1) The Ghana Empire (750-1076) was founded by the Soninke people and ruled by a powerful king. It had a large army and controlled the gold and salt trade routes through a "silent barter system" without direct communication between traders. 2) The Mali Empire (1100-1400) was founded by Sundiata and expanded under powerful kings called Mansas. It converted to Islam and seized gold producing areas, controlling the trans-Saharan trade routes. Cities like Timbuktu became major trading hubs. 3) The Songhai Empire rose after 1464 under Sunni Ali and Askia Muhammad. It encouraged Muslim