A U.S. government commission, the Isthmian Canal Commission (ICC), was established to oversee construction and was given control of the Panama Canal Zone, over which the United States exercised sovereignty.
A U.S. government commission was established to oversee construction. A U.S. government commission was given control of the Panama Canal Zone. The Isthmian Canal Commission (ICC) was a U.S. government commission. The United States exercised sovereignty over the Panama Canal Zone.