Why do you libs say that so much? It's nothing to be ashamed of.
2. Whether there are liberals, conservatives, or others in charge has no real bearing on whether the USA will exist in 2000 years. The history of mankind is not exactly chock full of nations lasting for more than 2 millennia
The long term survival of ruling families and oligarchs has been more stable in the West, mostly due to the advantages of geography, methinks.
The Romans began their little club of oligarchs in roughly 750ish BC and came to an end with the fall of Constantinople to the Turks around 1453, a solid 2200 years.
Kush survived for more than 1400 years, and the Venetian Republic lasted over a 1000.
The British royal family has ruled for over 1600 years, since 519 AD.
We have only been around for about 240 years.
We have a whole lot of potential life span remaining.