If the situation is such that a mass of state residents is physically attempting to overwhelm a military base like at the end of "V for Vendetta", then the poli

If the situation is such that a mass of state residents is physically attempting to overwhelm a military base like at the end of "V for Vendetta", then the political situation will have long been obvious and preparations will have been made. Things will have gone way past some 60%/40%, gerrymandered state government making a declaration.