Khan Academy
Khan Academy: Ap Us History Unit: Period 7: 1890 1945: Muckrakers
The study resource from Khan Academy provides an overview of Period 7: 1890-1945 in American History. The Progressive Era's muckrakers are discussed in this lesson. This resource is designed as a review for the AP US History Test.
PBS
Pbs: American Experience: Chicago: City of the Century: Philip Armour
From a PBS American Experience series about Chicago, this biography of Philip Armour, who made the meat-packing business more efficient. Find out about his methods, but also about the horrible conditions of the meat-packers who worked in...