After the Dred Scott decision by the US Supreme Court, the friction between the North and South over slavery escalated, and the North began to fear that they might not be able to prevent slavery from spreading into their states. The Dred...

Explains the background for the Dred Scott case and its journey through the court system, finally reaching the US Supreme Court.

This site has a comprehensive overview of the September 11, 2001 attacks on the U.S., including information on Osama bin Laden's background, the formation of Al Qaeda, the attacks themselves, the US response, civil liberties and national...