@vix
> indigenous people were worse off when allowing random people in
Adopting new people into your nation freshens the gene pool (any animal breeder will tell you inbreeding is bad). It brings in new skills, knowledge, and technologies (both material and social), and can be a basis for alliances with their nations of origin. Don't kid yourself that avoiding this prevents military invasions, which is what the surviving indigenous peoples have been resisting for centuries.
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