[Free Registration/Login Required] Students use primary source documents to investigate central historical questions. In this investigation students use nineteenth-century maps and art, and consider the roots of American exceptionalism.

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.

Dedicated to the memory of U.S. veterans who fought in the U.S.-Mexican War, this website provides documents, images, maps, and FAQs.

A map of North America in 1840 at the time when the concept of "Manifest Destiny" was being applied to annex the Oregon Territory, Texas, and much of northern Mexico into the United States. The map is color-coded to show the extent of...

A series of lessons utilizing primary texts, including narratives, photographs, and maps, through which students explore the following question: "What motivated thousands of people to journey west during the 1800s?"