They used apathy to kill resistance. At first it seemed as if the battles would rage forever. But some of their research suggested that the opposition only fought so hard because they cared
So they started a campaign to de-emphasized the importance of the entire issue. Whether things went down one way
or another, began to be painted as something not worth spending much time on, something silly to care about.
And when the opposition stopped paying attention, they were able to easily steamroll their way to victory. There was no thrill of victory
though, since nobody cared whether they won or lost.
Some of those on their own side
dropped out of the fight because it also stopped being of interest to them.