This Khan Academy resource provides a table of contents with notes for several sections of AP US History: Period 9: 1980-present.

An overview of the terrorist attacks on the World Trade Center and the Pentagon that resulted in the United States' declaration of a Global War on Terror.

Chapter 10 overview traces the history of U.S. foreign trade and global economic movement from a protectionist to more liberalized trade policies.

Reduced barriers to trade and communication across international boundaries have changed politics, culture, and economics across the globe.

Discover how mass extinctions play a part in Earth's life history.

This section of a chapter on "Early Globalization" identifies regions where the English, French, and Dutch explored and established settlements, describes the differences among the early colonies, and explains the role of the American...

From a chapter on "Early Globalization: The Atlantic World, 1492-1650," this section describes the importance of Portuguese exploration of the Atlantic and Spanish exploration of the Americas.

From a chapter on "Early Globalization: The Atlantic World," this section explains the changes brought by the Protestant Reformation and how it influenced the development of the Atlantic World while describing Spain's response to the...