Panama Canal
France began work on the canal in 1881, but stopped due to engineering problems and a high worker mortality rate. The United States took over the project in 1904 and opened the canal on August 15, 1914. One of the largest and most difficult engineering projects ever undertaken, the Panama Canal shortcut greatly reduced the time for ships to travel between the Atlantic and Pacific Oceans, enabling them to avoid the lengthy, hazardous Cape Horn route around the southernmost tip of South America via the Drake Passage or Strait of Magellan.
History of Panama (1977–present)
Despite his continuing concern with the ambiguity of the treaties with respect to the United States role in defense of the canal after 2000, the close Senate vote made Torrijos aware that he could not secure any further modification at that time. On June 16, 1978, he and Carter signed the instruments of ratification of each treaty in a ceremony in Panama City. Nevertheless, Torrijos added the following statement to both Panamanian instruments: "The Republic of Panama will reject, in unity and with decisiveness and firmness, any attempt by any country to intervene in its internal or external affairs." The instruments of ratification became effective on June 1, 1979, and the treaties entered into force on October 1, 1979.