Between 1865 and 1900, the number of Americans living in cities increased from 20 percent to 40 percent. Which of the following best explains why urban areas increased in population during this time?

C. The labor  unions in many cities guaranteed jobs to people who moved to urban areas.

Explanation:

The growth of industrialization in the 1800s was an open opportunity to the the country side to develop themselves economically. By the year 1920, the population in the cites of America was the most populated cities than any other country.

The labor  unions in many cities guaranteed jobs to people who moved to urban areas best explains why the population of U.S. urban areas increased 20 percent between 1865 and 1900.

Nearly 11 million people from the urban areas filled the rural places motivated by the development of industrialization. And the need for workers and better wages helped them survive in the society and help their famed

explanation:

it was a suprise attack organized by geogre washington against the hessian forces in trenton, new jersey. it began the night o december 25, 1776 and ended december 26, 1776

answer is b.shrapnel