Richard Maybury explains, "The most important parts of World War II were how the U.S. got into it, the way the war was conducted, and the ideas that emerged from it. These set the stage for the world we live in today."

Focusing on the ideas and events in the Second World War, Mr. Maybury explains that "misunderstandings about World War II created a chain reaction, or domino effect. This led to America's subsequent wars, including the Korean and Vietnam Wars, the Iraq-Kuwait War, and the War on Terrorism that began September 11, 2001.

The domino effect continues...