A war is only just if it is fought for a reason that is justified, and that carries sufficient moral weight. The country that wishes to use military force must demonstrate that there is a just cause to do so. ... Sometimes a war fought to prevent a wrong from happening may be considered a just war

Why should war not be justified?

The act of war cannot be justified for three main reasons: the horrendous short term and long term effects, wars are fought for misguided ideas of power and of righteousness, and wars are fought because of the darkest or most evil part of human nature.

What reasons justify going to war?