It failed because the people who were indentured servants eventually ended their servitude and left to build their own families and farms. They were also more rebellious then the Africans who were imported from Africa. It wasn't worth it to take Europeans when Africans were better workers.
Citizen Genêt Affair, incident precipitated by the military adventurism of Citizen Edmond-Charles Genêt, a minister to the United States dispatched by the revolutionary Girondist regime of the new French Republic, which at the time was at war with Great Britain and Spain.
