Conservative Americans will generally underestimate the power of cities, and speculate that in a second civil war, toppling left-wing controlled cities would be as easy as cutting off the power, food supply, or what have you. But we saw a similar dynamic play out during the Russian Civil War, and the ability of desperate and angry densely populated cities to expand out into neighboring conservative areas for resources or even simply revenge cannot be ignored when considering the hypothetical scales of a Second American Civil War.