List four muckrakers whose work in the 1890’s helped increase public’s awareness about social and political problems and describe their work

Lincoln Steffens: political corruption

Jacob Riis: life in urban areas

Frank Norris: stranglehold on California farmers

Upton Sinclair: bad working conditions of Chicago

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.

they died because of a disease during the first spanish colonies.