I would fully expect the military to side with the right on this and declare martial law using one of the various cog initiatives and warn any nations looking to take advantage that nukes are ready. All bets would be off in a hot war.

However I really think the chances of a hot war are remote because people even leftists are too used to luxury and ease. Remember that nearly all the rioters so far are teens and twenty somethings and barely amount to the population of a typical town.