High schoolers explore muckraking. In this American history lesson, students listen to their instructor present a lecture regarding the details of Upton Sinclair's The Jungle. High schoolers respond to discussion questions pertaining to...

Students examine maps showing the hog and corn distribution of the United States. In groups, they research the reasons why Chicago became the natural hub for meat-packing processing in the United States. They examine changes in...

A map from 1904 of Missouri showing the capital of Jefferson City, major cities and towns, railroads, and rivers. An inset map details St. Louis. "Missouri - Organized as a Territory in 1812; admitted to the statehood in 1821. Its lead...