The correct answer to this open question is the following.
Simon Bolivar is a national hero in Venezuela and an important figure in other Latin American countries for his contribution to the independence of those countries.
In his continuous fighting for liberty, he faced some obstacles. The first one, the great Spanish Army that had more experience and better weapons. Secondly, if you see a map of that region of South America, you will realize the difficult conditions of the land to transport people and supplies. The Andes is the most important mountain chain in South America and is a geographical barrier to some countries like Venezuela.
Simon Bolívar (1783-1830) was the liberator of what today is Colombia, Ecuador, and Panama.