The haitian revolution had many international repercussions. It ended Napoleon's attempt to create a French empire in the Western hemisphere and arguably caused France to decide to sell its North American holdings to United States thus enabling the expansion of slavery into that territory.
The Mexican revolution sparked the Constitution of 1917 which provided for separation of church and state, government ownership of the subsoil, holding of land by communal groups, the right of labor to organize and strike and many other aspirations. It also destroyed the old government an army of the dictator Porfirio Diaz and eventually changed the country's economic and social system.
There are some facts about both of them, you'll need to put the paragraph together the way you would like. I hope that helps.
