As crazy as it sounds, I think without oil civilization would have been set back 1000 years or more. We went from horse and buggy to space travel in a few decad

As crazy as it sounds, I think without oil civilization would have been set back 1000 years or more. We went from horse and buggy to space travel in a few decades, due in no small part to having a cheap, storable, high-density energy source that literally comes out of the ground.