Sometimes there are very bad people who want to kill or enslave everybody else who is not like them.
Some wars are good; some are inevitable.

Of course you can "Imagine" that there is no war. Its really quite simple--just allow every petty tyrant to do whatever they want--presto--no war.

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1982 300SD " Wotan" ..On the road as of Jan 8, 2007 with Historic Tags