Obviously you didn’t read the linked research otherwise you wouldn’t entertain a red herring like foreign policy.

But it appears that you think Slavery and all sort of exploitation and gun-powder diplomacy has been a choice for reasons other than self-interest which makes any rational discourse unlikely, so best of luck to you.

> it appears that you think Slavery

This is a hyperbolic form of argument. (I'm also noticing this is a new account...)