>>40606855
No, it was several different kinds of wars.
There was a Carrington type event which wrecked all the electronics, so the planes fell out of the sky and the cars didn't work.
Then there was a nuclear attack during which the boy started dying first.
Then it was just a regular old nationwide cyber attack, which was a nothingburger.
They died in all the other war timelines. This is why the painting in the living room kept changing.