What did jacob riis trying to change

His book, How the Other Half Lives (1890), stimulated the first significant New York legislation to curb poor conditions in tenement housing. It was also an important predecessor to muckraking journalism, which took shape in the United States after 1900.

Explanation:

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need