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Geographic Term
- United States2
- China1
- Great Britain1
- Iowa1
- Mexican-American Border Region1
- Mexico1
- Mexico Boundaries United States1
- Mid-Atlantic Region1
- Minnesota1
- Mississippi River Valley1
- Nebraska1
- Nebraska (Territory)1
- New England1
- New Jersey1
- New Southwest1
- New York (State)1
- North America Mexican-American Border Region1
- North America Rio Grande1
- Pennsylvania1
- Philadelphia1