That right is only for colonies or genocide, not the case of Catalonia at all. They're one of the richest spanish regions.
Edit: they've neve been independent, that's more of the bs that we're hearing these days.
Edit: they've neve been independent, that's more of the bs that we're hearing these days.
I think you may be confusing the pattern of colonization in British North America with colonization more generally; the pattern elsewhere was more often of subordination to an imported elite rather than displacement.