Bacon's rebellion led to the Colonists adopting slavery as the primary source for labor. Bacon's rebellion was led by a group of former indentured servants who were now free, without work, idle, and looking for trouble. With slaves they were never free, never looking for trouble, and never out on the prowl. After the 1676 rebellion led by Bacon, the colonies decided that black slaves from Africa would be the way to go, since they never got their freedom.
The virginia plan was made the benefit big states and the new jersey plan was made to give the smaller states more power. hope this helps >-<