Afghanistan. 'nuff said.
You're not seriously comparing our population to theirs? The Afghans have been at each others throats and the throats of their invaders for a thousand years or more. They are seasoned fighters, illiterate, third world savages. They are mostly Muslim and still with all of that hatred and animalism pent up inside of them...how long did it take to run the Russkies out? At what cost? That cost in lives is exactly what we refuse to pay. We're leaving because our people refuse to put up with the cost in lives. This mindset has infected the politics and therein lies our weakness. It has been so since Vietnam. Old General Giap once said something to the effect that we will kill a thousand of theirs for every one of ours that dies and yet they will still win in the long run of attrition. We will only bleed just so much before we cut and run. When I say "WE" I mean our civil population of sheep, not the sheepdogs in the military! But our population has had the guts so bred out of them that once our freedoms are lost they're gone forever because only bloodshed will bring them back and the likes of the Founding Fathers are not to be found here anymore. We've been wussified because we allowed the liberals to infect the schools since the late 1950's.