A Winter War?

How can a nation where cities are paralyzed by a little snow and ice expect to prevail in a war against Red China, Russia, or perhaps even North Korea? In World War II, America had robust civil defense but since the end of the Cold War, America has devoted scant and insufficient resources to protecting the civilian populace from a potential weapons of mass destruction attack. We have not as a nation even spent the few billion dollars necessary to harden our electronic infrastructure against an electromagnetic pulse attack.