That and they killed of the buffalo and other food sources.   Keep defending how the white man was not responsible for killing Natives so you can sleep at night.  Hope you feel better about yourself and your ancestors.    Sarah Winchester knew there was nothing natural about it.

Funny how those who cone in and exterminate other find a way to justify it.   
When another radical religious group comes to do the same (and they will because history repeats itself) they will justify it as well.
Oh, wait, they already are!!!!!
Have fun!