Its history for 8th grade help me! How did the paintings of the Hudson River School promote change in American life?

a
Their idealized landscapes encouraged westward migration.
b
Their depictions of American Indians halted the settlement of the Great Plains.
c
Their images of the conditions of slavery helped cause the Civil War.
d
Their representations of Northern cities encouraged urbanization.

A.

Their idealized landscapes encouraged westward migration.

A

Explanation:

it was strongly nationalistic both in its proud celebration of the natural beauty of the American landscape and in the desire of its artists to become independent

d.

many people believed they were convicted solely because they were anarchists.

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;