Ask someone under the age of - say 50 - what the Federalist Papers are, or what the Magna Carta is. Most will look at you like you've spoken to them in a ancient Greek dialect.
Better yet, ask someone under 50 what year the Constitution was ratified, and where it was ratified.
Just make sure the person isn’t a homeschooler.
The homeschooled kids who are part of “Classical Conversations” learn about the Magna Carta and the Bill of Rights and a list of Presidents. In other words, memory work in lots of history facts. It’s pretty cool. I never learned those things by heart when I was their age. The only facts I memorized were my Bible verses, and that was not in school but rather Sunday School.
The United States shall guarantee to every State in this
Union a Republican Form of Government, and shall
protect each of them against Invasion; and on Application
of the Legislature, or of the Executive (when the Legislature
cannot be convened) against domestic Violence.