It was a failure because of things such as disease and famine. The colonists also relies on Indians but when the Indians stopped supporting them the colony ended up failing.
Bacon wanted to take revenge against the Indians. The tension between them worse due to social and geographical issues. Then Bacon leads an attack that resulted in a bloody war. As a result of the rebellion, the Virginia colony has bee driven out, there were reforms and the beginning of slavery.
<span>executive agreements</span>
... frustrations with how independence had led to situations where caudillos (authoritarian leaders) rose to power.
Bolivar had wanted a united Spanish America, a great nations, but the wars of independence had tended to result in charismatic military rulers leading their own countries in authoritarian ways -- what we today would call dictators.