Although many of them remained indifferent to the Arabian religion, it mattered not; they had formally accepted Muslim authority, and would soon be invading Europe and terrorizing the Mediterranean for over a millennium in the name of Allah. They who were formerly massacred and enslaved on an epic scale would be taught, upon conversion to the creed that had dehumanized them for decades, to dehumanize the other, the infidel, and thus become the ones to massacre, enslave, and plunder—always under the aegis of righteousness.