 The Imamate of Futa Jallon became a multiethnic, multilingual society, ruled by Muslim Fulɓe and backed by powerful free and slave armies.The Fulɓe of Futa Jallon and Futa Toro were able to take advantage of the growing Atlantic slave trade with the Europeans on the coast, particularly the French and Portuguese.The twin Fula states also supplied valuable grain, cattle and other goods to their European neighbors on the coast.