It's simple, it called the Hegelian Dialect. Basically you create the problem to get the reaction you want and then people accept the solution you offer and if they are really scared, they will even beg for it....

US Navy cost to fire different weapons

Now imagine how much the Gaza war has cost. The money that should have been spent to improve the country was spent to destroy the international image, and with the death of the culprits, everything was forgotten as if it never happened.