What is the Catholic churches position on killing in war?
Does the Catholic church think that killing someone in war is a sin?
Does the other churches?
Catholics have something called ‘just war’
In the Beatitudes, Jesus tells us “blessed are the peacemakers” (Matt. 5:9). Elsewhere in the Sermon on the Mount he tells us “if any one strikes you on the right cheek, turn to him the other also” (Matt. 5:39). From such verses some have concluded that Christianity is a pacifist religion and that violence is never permitted.
But the same Jesus elsewhere acknowledges the legitimate use of force, telling the apostles, “let him who has no sword sell his mantle and buy one” (Luke 22:36). How are these passages to be reconciled?
In broad terms, Christians must not love violence. They must promote peace whenever possible and be slow to resort to the use of arms. But they must not be afraid to do so when it is called for. Evil must not be allowed to remain unchecked.
Added weight is given to this realization when one recognizes that Scripture — all of Scripture — is inspired by God (2 Tim. 3:16). This means that the Old Testament is just as inspired as the New Testament and thus an expression of the will of Christ.
The Old Testament acknowledges frankly that there is “a time to kill” (Eccles. 3:3). At various times in the Old Testament, God commanded the Israelites to defend their nation by force of arms. Yet it was always with the recognition that peace is the goal to be worked for. Thus the psalmist exclaims, “how good and pleasant it is when brothers dwell in unity!” (Ps. 133:1). Peace is the goal, but when it cannot be achieved without force, force must be used.
In the same way, the New Testament sets forth the goal of peace but acknowledges the legitimate use of force. It does so by John the Baptist’s acknowledgment that Roman soldiers, whose job it was to enforce the Pax Romana, or “Peace of Rome,” could keep their jobs (Luke 3:14) and by Paul’s observation that the state “does not bear the sword in vain” but is “God’s servant for your good” (Rom. 13:4).
As long as Christianity remained a minority religion in the Roman Empire, it was not forced to put these insights together into a formal theory of when warfare could be used. But as Christianity grew predominant, more attention had to be devoted to this subject. By the time of Augustine (A.D. 354-430) the need for a theory of when warfare was just was keen, and Augustine provided one, crystallizing biblical principles into what is now known as just war doctrine. In the intervening centuries the theory has been refined, but its framework remains as he gave it.
To read more go to …
http://www.catholic.com/library/Just_War_Doctrine_1.asp
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