Answer:
I hope it's clear :)
Explanation:
The early life was affected by hills and trees because they need water. ... How did the Arabs spread Islam? They told people outside of Islam about Allah and Mohammad.
The arms race was a part of the cold war so America and Soviet Union were fighting over the type of government.
As population grew more people moved west because of Gold rush and mining opportunities,The opportunity to work in the cattle industry,Faster travel to the West by railroad; availability of supplies due to the railroad and The opportunity to own land cheaply under the Homestead Act.
Generally speaking, policy plans created to address a societal problem can be adopted by any level of government (except usually the judicial branch). This happens most commonly in the legislature--either the federal or state legislatures depending on the societal problem in question. Hope I Helped!
A Republic is another word for representative democracy