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.

This practice exercise from Khan Academy covers Period 7: 1890-1945 in American History. The Progressive Era is reviewed in this resource. This resource is designed as a review for the AP US History Test.

This practice exercise from Khan Academy covers Period 7: 1890-1945 in American History. The Spanish-American War is reviewed in this resource. This resource is designed as a review for the AP US History Test.

This practice exercise from Khan Academy covers Period 6: 1865-1898 in American History. The development of the middle class is reviewed in this resource. This resource is designed as a review for the AP US History Test.

The study resource from Khan Academy provides an overview of Period 6: 1865-1898 in American History. Social Darwinism, Charles Darwin, and the Gilded Ages are discussed in this lesson. This resource is designed as a review for the AP US...

The study resource from Khan Academy provides an overview of Period 6: 1865-1898 in American History. The development of the middle class is discussed in this lesson. This resource is designed as a review for the AP US History Test.

The study resource from Khan Academy provides a video lesson for Period 7: 1890-1945 in American History. This lesson discusses President Woodrow Wilson's Fourteen Points. This resource is designed as a review for the AP US History Test.