This online lesson plan shows students through primary sources how the borders of the U.S. changed in just a few years. They are asked to analyze maps and use map skills. All maps and worksheets are included as well as additional resources.

[Free Registration/Login Required] Like other big cities, Los Angeles has had its share of unrest, even riots in some instances. In this instructional activity, the Zoot Suit Riots of 1943 are investigated to figure out what caused the...

This "Teaching with Documents" lesson on Lincoln's spot resolutions explores the Mexican War, Lincoln's questioning of the propriety of the war, and the power of the U.S. President at that time. Content includes extensive historical...

This in-depth resource presents a history of the American West from pre-Columbian times until World War I with profiles, documents, and images. It encourages visitors to link these into patterns of historical meaning for themselves....

Quickly following Texan independence, the United States admitted Texas into the republic as a slave state.

The Compromise of 1850 acted as a band-aid over the growing wound of sectional divide.

Examines the circumstances surrounding Texas's entry into the Union in 1845 as a slave state. It was an uneasy union, with ongoing controversy around the issue of slavery. This lasted through the Mexican-American War and helped to...