The U.S. had extended its influence throughout the Caribbean and Latin America following the construction of the Panama Canal by invoking the Roosevelt Corollary to the Monroe Doctrine.
In 1914, the United States under President Woodrow Wilson presented a project for the control of customs and finances of Haiti, which was having increasing problems in repaying debts to the US and France.
On 28 July 1915, a Haitian mob killed President Vilbrun Guillaume Sam in the legation of France, where he had taken refuge after having ordered the execution of nearly 200 political prisoners, most from the mixed-race elite.
Borno, appointed Minister of Foreign Affairs, negotiated a U.S. commitment to the economic development of the country and refused to transfer any territory.
[2] Although the American occupation force handily controlled the cities, the countryside was plagued by violence carried out by "cacos", insurgents and bandits who had troubled the country since the Haitian Revolution.
Embarrassed by media coverage of the war and disappointed at the ineffectiveness of the occupation, U.S. President Warren G. Harding decided in 1922 to improve the level of American administrators; he appointed as High Commissioner Major General John H. Russell, Jr.
He achieved impressive infrastructure improvements: 1700 km of roads were made usable; 189 bridges were built; many irrigation canals were rehabilitated; hospitals, schools, and public buildings were constructed; and drinking water was brought to the main cities.
The Forbes Committee resolved to organize free elections and end the American administration, but remained pessimistic about the sustainability of democracy in Haiti.