Most likely, the first war in human history was one group of guys rushing at another group of guys, swinging fists and anything they could use as a club. It did not take long before a man decided that it was a good idea to use his hunting weapons to ward off these attacks or compliment these attacks. After all, if a gang of men with spears could take down a large animal, the same tactics would work on humans. From there the arms race was on among the human species. The club was probably the first weapon of war. The spear would be the first tool converted for use in war. The shield was the first tool of war created specifically for use in combat against other men. Unlike the club, the shield was not just lying around waiting for a man to use it in a fight. Unlike the spear, the shield was not something used for hunting. The shield was a practical response to men using their spears to poke at you in a fight. It was the dawn of the arms industry.
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