we KNOW what a republic is as well. , and it was a failed experiment by the romans in class warfare and oligarchy. the senate was not elected, but consisted of the heads of the patrician familiesWrong.
We KNOW what a "democracy" is, and it was a failed experiment by the ancient Greeks in Athens, where everyone had to vote on any and all legislation directly.
That is mob rule and leads to lynchings, slavery, burning witches, etc.
When someone now say democracy, they actually mean "democratically elected, representative, republic.
But the most significant aspect is "republic", and everyone should be taught that.
our system is is quite unique, and certainly designed to protect status quo.