Question

Why did most Americans reject Marxism in the early 1900s?

Answer 1

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 2

because the united states economy was well off thanks to the industrial revolution, their core ideals went against the main core ideals of Marxism