“Although material circumstances and politicians’ self-interest helped to make America what it is today, the most important cause was a change in the prevailing understanding of justice among leading American intellectuals and in the American people. Today’s
liberalism and the policies that it has generated arose from a conscious repudiation of the principles of the American founding.”
If you want to find out how we lost our Constitution and our republic, and if you want to help recover them, to get out of the mess we are in, then here is the history of the progressive movement versus the founders and framers of our republic. If we are to recover our lost Constitution and our lost republic, you need to know and understand this. The article at the link below summarizes an entire library.