He managed to ensure the fight for independence. The wealthy Creole elites were controlled by the Spanish and they disliked it because they wanted to be the rulers of a new and independent country. Bolivar got their support which meant that they could now fight and get the independence that they wanted.
The Ku Klux Klan often took drastic, and violent actions towards the blacks. Making it very hard for many of them to survive in a safe manner.
The answer would be Joseph Stalin.
Hope this helps!
- Juju