Answer:
The increase in settlements in the west caused the frontier line to disappear.
Explanation:
The finishing of the railways toward the West after the Civil War opened up vast regions of the district to settlement and monetary improvement.
The East settlement changed the Great Plains. The gigantic groups of American buffalo that wandered the fields were mostly cleared out, and ranchers furrowed the natural grasses to plant wheat and other crops. The buffalo loss had a great impact to the American natives and the development of white settlement influenced in the West.
Polytheism is the belief in more than one god. Monotheism differs from polytheism in that it is the belief in a single god or divine being. Civilizations such as the Sumerians and Ancient Egyptians practiced polytheism.
The government tried to silence opposition to American involvement in World War I by passing the Espionage and <span>Sedition Acts. The correct option among all the options that are given in the question is the second option or option "b". I hope the answer has come to your help.</span>