In How the Other Half Lives, Jacob Riis exposed .....
A. the different ways people lived in all parts of New York City.
B. the way that corruption in New York City affected living conditions.
C. the unsafe conditions in factories in New York City.
D. the harsh living conditions in New York City slums.
Jacob Riis documented the slums of New York, what he deemed the world of the “other half,” teeming with immigrants, disease, and abuse. So it would be D