Department of Defense
Do Dea: Ap Us History: Unit 5: A New Order
This extensive learning module examines the impact of the Gilded Age upon new cultural and intellectual movements, expansion of foreign trade, and political debates over economic and social policies, as well as the impact of the rise of...
Wikimedia
Wikipedia: Urbanization
This site from the Wikipedia encyclopedia provides a great overview of the term urbanization. It is clearly written and has links to definitions that are unfamiliar to readers. A great starting place to learn about urbanization.