the answer you are looking for is C. the Ural Mountains.
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Since the development of industrial society, more and more jobs were replaced by simple machinery and it focus the spread of job availability to only several areas in united States.This caused the decreasing rate of wages or even employment within the u.s society, and the economic pressure eventually lead to class violence
What's the answer!!!! Quick
Answer:
b
Explanation:
The answer is b: red scare, stock market crash, atomic bomb