They only did this so the white man would help them kill their arch enemies A rival tribe with the new weapon the white man possessed . Read history before taking away any doubt from people ' s minds that you have not researched this before posting . North America would be identical to the middle east with tribal wars as it was before the arrival of the White man . At first , trade with the European settlers brought advantages knives , axes , weapons , cooking utensils , fish hooks and a host of other goods . Those Indians who traded initially had significant advantage over rivals who did not . <| sep |> Yeah ? Well I had sex with your wife ! sorry , this discussion was getting a little too cordial <| sep |> Wow that surprised me !