The reason caucasian-americans pose the greatest domestic terr'ism thread in the USA is that caucasian republicans are the most fearful snowflakes and have the most gun-owning households.
https://www.nbcnews.com/storyline/l...ography-stops-gun-control-taking-root-n808771
https://www.nbcnews.com/storyline/l...ography-stops-gun-control-taking-root-n808771