Muckrakers exposed all of the flaws in society and the government and a lot of books were written about the problems there were. Poor working conditions, child labor, and quality of processed meat and other foods were big issues. During that time period people were big on from of press so that and the fact that people were just fed up in general led to reform.
Bestie what?- I do not know what this means or how to answer it. I am so sorry!
One of many results of Japan's invasion of Korea in the 1500s was "gradual opening of Japanese culture to other influences," since this ended a period of relative Japanese isolation.
True. A contention is a heated argument.