"Sociology." . . "United States history." . . . . "Economics." . . "United States" . . "Culture." . . "Political science." . . "Revolutionary War (U.S.)" . . "Geography." . . "Civil War (U.S.)" . . "Secondary school curriculum." . . "University of California. National center for history in the schools." . . "History Study and teaching United States." . . "Interdisciplinary approach." . . "History." . . "American history Study and teaching (Higher) United States." . . "National curriculum." . . "Technology." . . "Science." . . . . "Exploring the American experience"@en . . . . . . . . "History"@en . . . . . . . . . . . . . . . . . "Grades 5-12."@en . . . "National standards for United States history: exploring the American experience" . . . "National standards for United States history : exploring the American experience"@en . "National standards for United States history : exploring the American experience" . . . . . "National standards for United States history exploring the American experience"@en . . . . . . . . "États-Unis" . .