What was one way Haitians revolution affect Haiti in the early 19th century

Which of the following statements is true for all european union countries a. they each have their own hereditary monarchy b. they each have their own national currency c. each has its own democratic government d. each practices roman catholicism

According to thomas hobbes concept of the social contract what do people exhange for protection by the government ?

Which  was not a problem faced by farmers in the late 19th century