I meant more infrastructure attacks than just cyber. If you take down just 9 transformer stations most of the US would have an 18 month blackout, some journos were squealing about that a year ago or so. Strategically placed IEDs can choke off certain cities for weeks easily. Wouldn't really lead to political takeover by anyone in America other than the military, but it would make the tentacles of the American empire withdraw for a long time probably.

Not that I'm advocating for such acts of course, but the vulnerability of the US to these attacks and the sheer dependency of globohomo on American institutions makes it an interesting approach.