We all of the same breed, after all... Motives for love & war are of no concern. Religion, ideology, resources, Spite, love or just 'because'. Even if it's a pathetic reason, Like lack of communication -- It's still enough to start war.
Would love be senseless if war sist to exist?
War will never cease to exist, Reasons can be thought up after the fact. Human nature pursues strife. A lot of people show lack of education, By acting upon their emotions...