The Following Questions Refer to the Image Below

The following questions refer to the image below.

Library of Congress Prints and Photographs Division[LC-USZ62-70774]
Interior of a Shoe Factory,circa 1908
-The presence of factories such as this one would

A) undermine the growth of the U.S. economy.
B) cause the expansion of the nation's agricultural sector.
C) encourage immigration and internal migration to the nation's cities.
D) lead to calls for reforms of the nation's economic system.