Explain why a religious believer might not go to war, be able to explain what "just war" means and know at least two definitions from the just war criteria .
explain what a holy war is and why some people are willing to fight for their religion and describe at least one holly war .

A religious believer might not go to war because their religion is against hurting anyone, killing anyone and making people suffer. 
Just war is:
-Legal
-Happens for a reasonable cause
-Civillians must not be used

Holy war is war which happens for religious purposes, for example if Muslims and Christians were fighting over holy land- that would be holy war.
Holy wars usually have three elements:the achievement of a religious goalauthorised by a religious leadera spiritual reward for those who take partAn example of holy war are the Crusades
References: BBC Bitesize

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