I actually posed the question to my resident crazy-a$$ liberal at work. If 9-11, for instance, could only bring us together for about 6 months, how do two groups of people with such vastly different viewpoints on how the country should be run, ever coexist?
He conceded my point and admitted that he saw no way either.
Historically speaking, the most common way to end internal bickering is the nationalism of an all-out war. I’m not suggesting it, just saying that the fear of being enslaved by foreigners is what it sometimes takes to make people give up dreams of enslaving their neighbors.