Those who dare to interpret God's will must never claim Him as an asset for one nation or group rather than another. War springs from the love and loyalty which should be offered to God being applied to some God substitute, one of the most dangerous being nationalism.
The present custom of orthodox Christendom, in packing their sins upon the back of a God, is just the same substantially as that of various heathen nations who were anciently in the habit of packing them upon the backs of various dumb animals.