One reason that more people didn’t foresee the economic collapse of the 1930s was because "<span>A*Few people understood the risks involved with buying stock on loan."</span>
The Social Contract Theory. It was basically an idea from John Locke and <span>Jean-Jacques Rousseau that stated the people have a right to rebel against the government if it failed to live up to it's duties. And since the United States government quote unquote is by the people for the people, they have to right to overthrow it.</span>
The framers of the Constitution believed that concessions on slavery were the price for the support of southern delegates for a strong central government.