Question

as american cities grew and became more crowded, some people sought more open land to farm or to ranch. some people believed it was their responsibility to civilize the native americans and spread christianity. others sought adventure and the hope of striking gold in the west. a prevalent attitude was one of superiority and the belief that the united states had the right to expand westward. what doctrine contributed to the distribution of people westward between 1850 and 1870? a monroe doctrine b roosevelt corollary c articles of confederation d manifest destiny

Explanation:

The Monroe Doctrine was about U.S. foreign policy regarding Europe. The Roosevelt Corollary was an extension of the Monroe Doctrine related to Latin America. The Articles of Confederation were the first constitution of the U.S. Manifest Destiny was the belief that the U.S. was destined to expand westward, which aligns with the text about people moving west for various reasons like farming, civilizing Native Americans, adventure, etc.

Answer:

D. Manifest Destiny