America in this scenario would be easily conquered. America would cease to exist and which ever country wanted access to our resources would claim the land as its own assuming it had more fired power to stave off other competing countries. I suspect Russia and China would fight over it.
Many liberals who go to sleep at night praying for socialism would wake up wondering how could have had it so wrong even though people told them over and over and over and over and over and over and over and over and over and over...