Simón Bolívar was the leader of the Revolutionary War efforts in South America during the 19th century. Often referred to as "El Libertador," he played a crucial role in the independence movements of several South American countries, including Venezuela, Colombia, Ecuador, Peru, and Bolivia. Bolívar's vision for a united Latin America was partly motivated by the desire to free Latin American nations from Spanish colonial rule. His military genius and political acumen led to successful campaigns against Spanish forces, ultimately liberating vast territories and influencing future generations in the region.