An economic consequence of war is run away inflation. If any of you have a million dollars it could be worth only 20,000 in dire war time. Only billionaires will be left unscathed and may even profit.

Hedges against war time inflation is a risky matter and I would not presume to offer any advice to counter its effects.

Some fortunes on paper could be lost with one electro magnetic pulse.
On the street, more people will try to stay liquid with the use of a gun.

At this late date, there really is no rally or demonstration that will deter the poised armed forces from marching into oblivion.
There is no assasination that would change the course designed by US right wing think tanks. As in the American civil war the tactics are far behind the weapons - much to the world's despair.