The study resource from Khan Academy provides an overview of Period 7: 1890-1945 in American History. The Nineteenth Amendment 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 an overview of Period 7: 1890-1945: The Progressive Era. An overview of an Progressive Era is provided. This resource is designed as a review for the AP US History Test.

The study resource from Khan Academy provides an overview of Period 7: 1890-1945 in American History. The Spanish-American War is discussed in this lesson. This resource is designed as a review for the AP US History Test.

Armed rebellion in the newly-formed United States of America led to the creation of a stronger central government.