I'd say that they got it from exploration, really.
Answer:
the tobacco plantation system required a multitude of workers in order to farm the extensive plots of land that tobacco was being farmed on. Families could not complete all this work on their own so they resorted to the cheap labor provided by slaves and indentured servants.
Explanation:
Governments are supposed to have limited power because they are meant to serve the people, not the other way around.
Considering that, having stricter rules mean that the rules won't jut "do what they want" when in power.
Having strict rules and strict functions to each statesmen means that they are more likely to do what they are meant to instead of turning the power of the government against the people.