Why are people on the right so much more prone to violence than those on the left?

They abuse and hunt animals; they abuse children; they beat women. They fight each other, start wars, and love blood sports like boxing. Why?

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So just an important addition to this: I was talking about in the US. I have no experience with the politics of conflict in other countries, so I don't have an opinion about that. About the US, I definitely have an opinion, and you can read it above.
Why are people on the right so much more prone to violence than those on the left?
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