What really started the American Civil War?

The U.S. citizenship test – which immigrants must pass before becoming citizens of the United States – has this question: “Name one problem that led to the Civil War.”

Seriously, though, was the American Revolution a Civil War? « The Junto

Five Myths About the American Civil War That Need to Be Addressed

United States - Civil War, Battles, Union, battle vs war

The American Civil War, Causes & Outcome - Lesson

What caused the Civil War?

The American Civil War: A collection of free online primary sources, Birkenseer

American Civil War - Wikipedia

North Carolina in the Civil War

Civil War - Causes, Dates & Battles

The American Civil War: Dates, Causes, and People

How Did The American Civil War Really Begin?, Great Battles Of The Civil War