Curated OER
Louisiana Purchase
Students explore U.S. territorial expansion. In this Louisiana Purchase lesson plan, students investigate how the purchase was funded and determine how diplomatic actions were part of the land transfer. Students analyze several primary...
Smithsonian Institution
Smithsonian Learning Lab: The Expansion of the United States, 1846 48
This online lesson plan shows young scholars 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...