Annenberg Foundation
Annenberg Learner: Collapse: The Maya
Captivating site containing information about the collapse of civilizations. It explores the needs and characteristics of a healthy civilization that must be maintained in order to avoid collapse.
Discovery Education
Discovery Education: African American Population Shifts
After completing this mini-unit, students will understand some of the economic, educational, and lifestyle reasons why African Americans have moved from one place in the United States to another.