1. Even though the south american has a wide territory, but each and every antions in these territories are not united iin any way, which make it really hard for Bolivar to make these nations fight for common cause.
2. At first, he does not posses large influence and social base that could help them in the revolution (he is just a soldier)
3. The spanish empire was really strong at that time, and not many people dare to rally against this powerful enemy.
