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Duran, Connee M.; Null, J. Wesley – American Educational History Journal, 2009
For more than a century, high school students in the United States have been required to take at least one course in United States History. Almost every U.S. history textbook used for these courses covers the Texas Revolution in one way or another. Since the Texas Revolution is a significant part of American history, the authors chose to focus…
Descriptors: United States History, Intervals, Textbooks, Conflict
Kahl, Jonathan D. W.; Berg, Craig A. – Social Studies, 2006
Much of Mesoamerica's rich cultural heritage is slowly eroding because of acid rain. Just as water dissolves an Alka-Seltzer tablet, acid rain erodes the limestone surfaces of Mexican archaeological sites at a rate of about one-half millimeter per century (Bravo et al. 2003). A half-millimeter may not seem like much, but at this pace, a few…
Descriptors: Pollution, Historic Sites, Interdisciplinary Approach, Web Sites