How did changes in manufacturing in the late 70s and early eighteen hundreds of people living in cities in the North

Northern manufacturing extended the use of power-driven machines to a wider range of commodities in the middle decades of the century. By 1860, the United States was second only to Great Britain and France in manufacturing. Stationary steam engines powering advanced machinery allowed factories to set up in the nation’s largest cities (1999.396). Affordable books and color prints from the new printing presses disseminated new fashions and ideas connecting urban and rural, East and West. By 1850, nine out of every ten adult white Americans could read, and millions bought books. Women in particular became prodigious readers, as well as the authors of many books and magazine articles (17.104).

Explanation:

your mothers brothers brother in law would be your father.

to protest slavery i would think it would be a