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                | Background:
                  With US
                  backing, Panama seceded from Colombia in 1903 and promptly
                  signed a treaty with the US allowing for the construction of a
                  canal and US sovereignty over a strip of land on either side
                  of the structure (the Panama Canal Zone). The Panama Canal was
                  built by the US Army Corps of Engineers between 1904 and 1914.
                  On 7 September 1977, an agreement was signed for the complete
                  transfer of the Canal from the US to Panama by 1999. Certain
                  portions of the Zone and increasing responsibility over the
                  Canal were turned over in the intervening years. With US help,
                  dictator Manuel NORIEGA was deposed in 1989. The entire Panama
                  Canal, the area supporting the Canal, and remaining US
                  military bases were turned over to Panama on 31 December 1999. |   ®ang
            thiÕt kÕ |