Up to 400,000 men participated in the construction, as well as clearing brush and draining swamps to wipe out breeding grounds for malaria and yellow fever. The canal was opened at last in 1914.
"Big stick" Results
Roosevelt's "big stick" approach manifested itself in the Roosevelt Corollary to the Monroe Doctrine, which is asserted the right of the United States to act as international police power in Latin America.
President Theodore Roosevelt negotiated a treaty with Colombian officials in which the United states would lease a 6 mile wide zone in return for 10 million dollars and an annual payment of 250,000 dollars to Colombia.
The Americans Response
"A powerful Navy is essential to protect trade routes. The United States government should build a canal across Central America. The canal will allow American ships to pass quickly between the Atlantic and Pacific Oceans." - Admiral Alfred T. Mahan, U.S. Navy
The United States believed if they built the canal, then they could maintain the trade between the Atlantic and Pacific.
The Panamanians felt very happy to be included in the American society. They believed there economy would increase from the Panama canals. The trade would make the United States economy boom and they would send profits to the bank of the united states.
The Panamanians, who had rebelled numerous times against the Colombians, looked forward to the prosperity they felt during the building of the panama canal.