[goldstategop]

It started out small and snowballed. The Nazis' reflexive policy was to kill. Any one they viewed as a threat. And that on a large scale.

(Denny Crane: "Sometimes you can only look for answers from God and failing that... and Fox News".)

[atomicpossum]

It started out small and snowballed. The Nazis' reflexive policy was to kill. Any one they viewed as a threat. And that on a large scale.

I'd say it began from the fundamental strategy of dehumanization. Their fundamental philosophy aws based on dehumanizing whoever they wanted to be rid of. Once begun, it became easy to declare each successive group less than human to rationalize whatever they then proceeded to do.