Answer:
<em>i believe that the answer is c</em>
One reason is that the Nile overflowed and the valley soaked up the water and therefore made it very fertile
Answer:
They were helpful in spreading necessary information across the empire.
Islam began with the Prophet Muhammad. Islam means "surrender" and its central idea is a surrendering to the will of God. Its central article of faith is that "There is no god but God and Muhammad is his messenger".
Followers of Islam are called Muslims. Muslims believe that they are following in the same tradition as the Judeo-Christian figures Adam, Noah, Abraham, Moses, and Jesus who they believe were significant prophets before Muhammad.
Islam spread through military conquest, trade, pilgrimage, and missionaries. Arab Muslim forces conquered vast territories and built imperial structures over time.