Toussaint Louverture led a successful slave revolt and emancipated the slaves in the French colony of Saint-Domingue (Haiti). A formidable military leader, he turned the colony into a country governed by former black slaves as a nominal French protectorate and made himself ruler of the entire island of Hispaniola.
During the cold war, the two main nations that opposed each other was the United States, which headed the non-communist & pro-democracy nations, and the U.S.S.R, which headed the pro-communist nations as well as the Eastern bloc.
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It helped them farm and to grow crops. They needed this to live and to trade. It had a good source of water and could be used to drive enemies away from them.
In the year 1492 the Spanish Expulsion took place and that's why it's important.