Answer:
Islam spread through military conquest, trade, pilgrimage, and missionaries. Arab Muslim forces conquered vast territories and built imperial structures over time. ... The caliphate—a new Islamic political structure—evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
Explanation:
The correct answer would be b they practiced monotheism
Where do tectonic activities, such as earthquakes or volcanic eruptions, tend to occur?
Answer: A. Near Plate Boundaries
A member of a class of serfs in acient sparta, intermediate in staus between a slaves and citzen
The only option that is not generally a reason why historians study societal change would be "<span>d. to estimate how long it would take to build a road system," since this requires a separate type of research. </span>