The US is a Republic. The founders were quite clear about this, because they feared "mob rule" and the "tyranny of the majority" that has historically characterized democracies. In fact, nowhere in the constitution of the US, nor in any state constitution, is the word "democracy" used.
For those who are confused about the difference between a democracy and a republic:
https://youtube.com/watch?v=DioQooFIcgE
Have a nice day, and stop misusing words like "liberals". It betrays ignorance.