caliph: successor, exercises political authority b/c muslim religious community had its own government and army
southern edge of the two empires = Arabian peninsula: mostly desert and had small oases where locals spoke Arabic
Bedouins: nomadic residents, tended to flocks of sheep, horses, camels divided into clans
Kaaba: at Mecca, large black rock in a cube-shaped shrine (associated with Abraham)
all Arabs, whether nomadic or urban, worshiped protective deities that resided in a tree, group of trees, or rock with a weird shape
Muhammad/Muslims
founded on belief in this event is called Islam, meaning “submission” or “surrender”, allah = God
each person had the power to decide to worship God or to turn away from God