'1853 purchase that brought the contiguous U.S. about up to its present area'
the Gadsden Purchase
THE 19th CENTURY: 1853 purchase that brought the contiguous U.S. about up to its present area
1853 purchase that brought the contiguous U.S. about up to its present area
1853 purchase that brought the contiguous U.S. about up to its present area
THE 19th CENTURY
the Gadsden Purchase
THE 19th CENTURY