What was jacob rios goal in the late 1800s?

Jacob Rios was a Danish American social reformer, a journalist and a social documentary photographer. He used his photographic and journalistic talents to help the poor in the New York city. He wrote a book that describe the terrible conditions of tenement life in the 1800s. 
Jacob Rios goal in the late 1800s IS TO MAKE AMERICANS AWARE OF PROBLEMS IN THE CITIES.