To imagine that Morocco was invaded by a Muslim host who carried all before them is a great mistake, although a common one. Mulai Idrees--"My Lord Enoch" in English--a direct descendant of Mohammed, was among the first of the Arabian missionaries to arrive, with one or two faithful adherents, exiles fleeing from the Khalîfa of Mekka. So soon as he had induced one tribe to accept his doctrines, he assisted them with his advice and prestige in their combats with hereditary enemies, to whom, however, the novel terms were offered of fraternal union with the victors, if they would accept the creed of which they had become the champions. Thus a new element was introduced into the Berber polity, the element of combination, for the lack of which they had always been weak before. Each additional ally meant an augmentation of the strength of the new party out of all proportion to the losses from occasional defeats.
In course of time the Mohammedan coalition became so strong that it was in a position to dic