[Free Registration/Login Required] Advanced Placement U.S. History learning module on Civil War era America and the transformation of society, 1844-1877. Comprehensive study tools include videos, essays, primary source documents, and...

This Khan Academy resource provides a table of contents with notes for several sections of AP US History Period 5: 1890-1945.

[Free Registration/Login Required] Learning module for Advanced Placement U.S. History course material for 1890-1945. Comprehensive study guide with multi-media sources including, videos, essays, historical documents and timeline.

After the Civil War, there was some impetus to modernize the South's economy to make it more industrialized and less agrarian. It never gained traction while sharecropping and tenant farming did, ensuring the persistence of rural...

Explains how Jim Crow laws came to be created in the South and what it meant for African Americans. Discusses the Plessy v. Ferguson Supreme Court case, how its decision was eventually overturned, and the events that brought an end to...

Take this ten-question unit test over the period of 1844-1877 in US history.

A quick five question quiz over US history in the mid 1800s.

Take this eleven question unit test over US history during the period of 1754 and 1800.

In the year 1863, US General Ulysses S. Grant succeeds in securing the western theatre of war and moves east to take on Robert E. Lee. [5 min, 51 sec]

Take this five-question quiz over parts of United States history between 1890-1945.

After World War I, US President Woodrow Wilson helped to build an international peacekeeping organization.

Unfounded fears that Japanese American citizens might sabotage the war effort led Franklin Delano Roosevelt to order that all Americans of Japanese descent be forced into internment camps.

The 1919 Treaty of Paris ended World War I, but imposed heavy penalties on Germany.

A quick comprehension check over Reconstruction and issues during the Civil War.

In 1945, the United States dropped two atomic bombs on Japan, ending World War II.

Take this five-question comprehension quiz over the Progressives and World War I.

Learn how the end of World War II contributed to the rise of the Cold War.

Learn about the first hot war in the Cold War: Korea.

A quick comprehension check over the World War II military.

World War I was the "war to end all wars." It had major consequences on Americans both at home and abroad.

The War of 1812 pitted US forces against those of Great Britain in a battle for control over the destiny of the North American continent.

Take a quick comprehension check over the end of the Cold War.

A quick comprehension check over the Vietnam War.

Learn about the war that enmeshed the United States in a battle against communism in Southeast Asia for more than twenty years.