A.) all of the others are true, the crime rate actually went up due to bootleggers and speak easies and others who illegal made and sold alcohol
I think the last one is correct because Robert created ways trough Missouri River to get faster to the ocean
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
