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Khan Academy
Khan Academy: Ap Us History History Unit: Period 6: 1865 1898: Unit Test
This unit practice test from Khan Academy covers Period 6: 1865-1898 in American History. Western expansion, the Gilded Age, and the "New South" are components of this unit test. This resource is designed as a review for the AP US...
Boston College
Boston College: Dennis v. United States (1951)
Full syllabus and decision from the Dennis v. United States Supreme Court case.
Khan Academy
Khan Academy: Ap Us History Unit: Period 7: 1890 1945: Intro.: Age of Empire
The study resource from Khan Academy provides an overview of Period 7: 1890-1945 in American History. The Age of Empire is discussed in this lesson. This resource is designed as a review for the AP US History Test.
Other
National Physical Laboratory: The History of Length Measurement
This resource provides historic information on length measurement in the United Kingdom. Click on the topics on the left toolbar of the article to find out more information.