Why does the author mention "industrialization" in the last paragraph? A. to suggest that labor disputes had become an urban problem B. to emphasize the economic importance of urban areas C.
Why does the author mention "industrialization" in the last paragraph?
A. to suggest that labor disputes had become an urban problem
B. to emphasize the economic importance of urban areas
C. to explain how fast urban growth led to poorly designed cities
D. to illustrate the need for construction of new factories