The dollar collapses causing a massive depression in the countries using the USD. We won't be going to war to end it, as we won't be able to afford to go to war or do much of anything else. China moves on Taiwan causing numerous other countries to move on their enemy. This ultimately leaves Israel poking its golem of the last 100ish years wondering why it isn't doing anything not realizing it can't do anything because it is bankrupt financially and morally. At some point in all of this, the Samson Option gets launched...I'm certain of it as much as my wife tells me Thor and other Asgardians show themselves to stop the nukes.