 Under the supervision of the United States Marines, the Haitian National Assembly elected Philippe Sudré Dartiguenave president.He signed a treaty that made Haiti a "de jure" US protectorate, with American officials assuming control over the Financial Advisory, Customs Receivership, the Constabulary, the Public Works Service, and the Public Health Service for a period of ten years.The principal instrument of American authority was the newly created "Gendarmerie d'Haïti", commanded by American officers.