Prorogation is the end of a parliamentary session in the Parliament of Canada and the parliaments of its provinces and territories.
It meant that Northerners in free states were obligated, regardless of their feelings towards slavery, to turn escaped slaves who had made it North back over to their Southern masters.
Archaeologists have studied many of the ancient cities of the Mayans such as Tikal, Calakmul and Copan. They studied the glyphs left
The school of thought that would most likely agree with uncle John is behaviorism.
Behaviorists believed that every type of action and behavior should be observed so as to be researched. If it cannot be directly observed, it doesn't require particular attention because it is not as relevant. Some famous behaviorists are Skinner, Watson, Pavlov, etc.