The main reason why most Americans rejected Marxism in the early 1900s is because the United States economy was doing quite well thanks to the Industrial Revolution--the core ideals of which went against the main ideals of Marxism.
Answer:
The main reason why southern states felt betrayed because he pushed for the 1850 Compromise on slavery.
Because fascism was gaining grounding Europe
I would say moral codes, religion, government, and social classes
