How did the industrial revolution impact the north, south and west?

From what i learned in my science class one of the things the industrial revolution improved was sanitation that is why the human population has grown exponentially over the past 200 years because it caused the humans life expectancy to increase. other things have also happened that improved things but i forgot what they were.

the following best describes postwar era writers in their works:

progressive

many writers,authors,novelists,poets concentrated more on social art and social writing and stayed away from political writings.