Here's the difference borders make: check out Nogales Mexico vs. Nogales Arizona -
https://www.nytimes.com/2018/02/05/travel/nogales-arizona-me...
It's not race or genetics or even culture. It's the institutions separated by country borders that let almost otherwise identical cities have radically different outcomes.
google it, there's a video.
Here's the difference borders make: check out Nogales Mexico vs. Nogales Arizona -
https://www.nytimes.com/2018/02/05/travel/nogales-arizona-me...
It's not race or genetics or even culture. It's the institutions separated by country borders that let almost otherwise identical cities have radically different outcomes.