Hernan Cortes has horses, and guns, however what showed to be the most dangerous were the diseases he brought with him
Answer:
D Criminals
Explanation:
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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.