War is a dependence fortitude of the political whim of those in need of a restructring of the realm in which they reside. If they feel they have gone far enough down the road of contenation that they have no other oppurtunity other than to fight then war is a neccessary mandate. If you decide to go through war and battle the enemy then you need to have a reasonable out come of sucess in mind. Your gains should be great and your casualties manageable. If you feel you can't manage the casualties of your withstanding then you should reconsider this possibile scenario but in a war fought on the gounds of desperation their can be no loss considered to great to withstand.