Answer:
Conflicts between the Native Americans, soldiers and the immigrants
Explanation:
The native Americans of the Northern Cheyenne, Oglala Lakota Sioux and the Southern Arapaho tribes were seen to be struggling with the adaptation of the massive changes in the environment and the loses of the natural resources that was created by the migrants and the rapid settlements of the Euro American. The entire region was in great turmoil.
The immigrants and the Whites cleared off many of the resourceful places of the native American in order to build railway lines and also destroyed grasslands and forests. They also over-hunted bison and it also caused nearly extinction of the food source of the people. This disrupted the lives of the native Americans and highly destabilized their communities.
As a result there was conflicts between them and the native American attacks the workers of the Union Pacific works building the railway track in the resource lands.
This is shown by the two paintings of Jakob Gogolin in the year 1930.
Answer:
Controversy over slavery
Explanation:
The Treaty of Guadalupe Hidalgo ended the Mexican American war and gave the U.S. land, including California. The effects of this treaty were opposed by some, mostly by Whigs. It resulted in more debates for the expansion of slavery and what states would be free for the time being. It contributed to tension between the North and South prior to the Civil War. :)
The main reason why the United States remained out of World War II prior to the Japanese attack on Pearl Harbor was because there was a very strong isolationist sentiment in the United States that had existed every since World War I.