What connections might there be between nationalism and a total war​

Direct causality can be drawn between nationalism and war. Nationalist groups within a state who desire their own independent state, may conduct regular or irregular warfare in order to forcibly persuade a state to grant them independence.

answer; taking up arms to defend the nation;

the hebrew bible is the sacred text of judaism;

the koran is that of islam.

among eastern religions, the sacred scriptures of hinduis are the four vedas and the upanishads, among others.

a main characteristic in these books is that un most of them we find certain "norms" of behavior, as is the case of the bible that has it's commandments. these rules are to regulate the behavior of believers and faithful of their respective faith.

these rules tell us what is right and what is not.