When you annex Mexico, you also get 130 million new "Americans" who happen to be outbreeding you, and who also happen to have 10 fewer IQ points on average.
A generation or two later, and you're all living in Mexico.
When you annex Mexico, you also get 130 million new "Americans" who happen to be outbreeding you, and who also happen to have 10 fewer IQ points on average.
A generation or two later, and you're all living in Mexico.