Panama declares independence from Colombia with U.S, Support while simultaneously negotiating a treaty granting the U.S. the right to construct the canal. The United States recognized Panama three days later The treaty that allowed the United States to build and operate a canal that traversed Panama.
The treaty also gave the United States the right to govern a ten-mile wide Canal Zone that encompassed the waterway, which was completed in 1914. In 1979, the United States transferred control of the Canal Zone to Panama, and in 1999 transferred control and responsibility for the Canal to Panama. More