Discusses this pivotal event in the lead-up to the American colonies' break with Great Britain and the tense atmosphere in Boston due to various new laws and impositions on the colonists by England.

Explores the relationship between the United States and Japan that led to the surprise attack on Pearl Harbor, Hawaii, in 1941, and to the United States' entry into World War II.

Describes the events leading to the terrorist attacks of September 11, 2001 and discusses how they have shaped the nation.

Provides a brief history of the Persian Gulf War, discussing causes for the conflict, key figures, and the impact.

A description of the history and characteristics of the national monument known as the Tomb of the Unknown Soldier at Arlington National Cemetery, Arlington, Virginia, which was established after World War I to honor an unidentified soldier from each war.