A Tiny Revolution has a collection of quotes that demonstrate the way white Americans have dehumanised others to justify imperialism, conquest, and slavery.
The Oriental doesn’t put the same high price on life as does a Westerner.
[T]he Iraqis don’t on the whole say “darn it, you shouldn’t have blown up all of our houses.” They sort of accept that.
[Sheikhs]… do not seem to resent… that women and children are accidentally killed by bombs.
Marine major Julian Smith testified that the “racial psychology” of the “poorer class of Nicaraguans” made them “densely ignorant… A state of war to them is a normal condition.”
Their griefs are transient. Those numberless afflictions, which render it doubtful whether heaven has given life to us in mercy or in wrath, are less felt, and sooner forgotten with them.
The third quote there was actually from a British commander. Any cursory glance at history will tell you that my country is also among the experts at “othering” foreigners to the point of redefining them as entirely separate species.
And that last one? Thomas Jefferson, talking about black slaves.
Holy crap people are good at hating other people.
And we’re not over it yet. Not by a long shot.