Countries Most Similar to Argentina

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Size is in sq-mi. Stay tuned, Armenia is coming up next! Data from https://en.wikipedia.org/wiki/List_of_countries_by_population_(United_Nations) and https://en.wikipedia.org/wiki/List_of_countries_and_dependencies_by_area

If you think that this quiz deserves it, please nominate it, I would really like to have a featured quiz if possible.