They wrote about slavery from the standpoint of the Bible (Barnes opposed slavery, while Thornwell, a Southerner, supported it).
People believe that conventions created specifically for the ratification of amendments form better representations of the people's will. State legislatures can oftentimes be biased for or against a certain amendment for their own wellbeing rather than that of the people they represent.
One major historical example of this can be seen in the use of ratification committees for the ratification of the American Constitution; the Founding Fathers believed that certain state legislatures would not ratify the Constitution even if the citizens of the states wanted to, so special conventions were created to more accurately portray the will of the people.
I think that you answer is B physical labor
According to Machiavelli's the Prince, princes should act in a practical manner. Machiavelli produced a practical guide to the arts of statecraft, which served the practical needs of the powerful families that emerged in the Italian city-states during the Renaissance. Statecraft involved carefully crafted approaches to the realistic conditions faced by rulers. It was driven less by emotion or morality but reason.
Because he was going to be a dictator on the Roman Empire.