The study resource from Khan Academy provides a video for Period 7: 1890-1945 in American History. This section discusses America's entry into World War I. This resource is designed as a review for the AP US History Test.

Comprehensive U.S. History course learning module on the New Deal and WWII. Multi-media and interactive lessons, assignments, projects and tests.

If walls could talk, Turkey's Hagia Sophia would have an abundance of stories to tell. Once a church, then a mosque, and now a museum, this world marvel has stood the test of time and war, surviving centuries of conquest by some of...