How did Islamic civilization spread to encompass such an extensive empire? Pls need help for homework essays

Religious and Political Conquest : As with most any civilization, Islamic civilization was significantly spread through military power. Strong armies, as well as a strong Muslim belief in spreading the faith, led to the conquering of many surrounding areas and lands.

Peaceful Conversion : While religious fervor was sometimes expressed through militaristic action, it could also be used for peaceful conversion. This brought many people (and their lands) into the empire.

Strong Governance : Islamic civilization was also known for having strong governments. These governments kept the empire stable

polling is a process and the outcome is not involved in the process itself.

the outcome, which is an unfavorable rating for a particular candidate is not affected by the mechanical process of polling.

it rather depends on the number of people voting in favor of the candidate.

this is an outcome of people's preferences.

answer; people where able to travel across the u.s.a faster than any other mode of transportation,travel time was about a week,from coast to coast