The growth of manufacturing drove a significant increase in prosperity and standards of living for some; this led to the emergence of a larger middle class and a small but wealthy business elite but also to a large and growing population of laboring poor. What were the effects of the growth of manufacturing on society?
1) Increased opportunities for upward mobility for all social classes
2) The emergence of a larger middle class and a small but wealthy business elite
3) A decrease in the overall population due to migration to urban areas
4) A decrease in income inequality