The correct answer is
Blank 1: Haiti.
Black 2: French.
Step-by-step explanation
During the eighteenth century, the Caribbean island Hispaniola was divided by two countries, half was controlled by Spain, this part is called the Dominican Republic, while the other half controlled by France is called Haiti. During the French Revolution at the end of the century, the ideas of freedom reached the island, where the black slaves made a revolt with the aim of becoming independent of the French becoming the first independent nation made up of black slaves. So, the complete sentences is The slaves of Haiti were first the rebel against French rule and become an independent nation.