How 2,000-year-old roads predict modern-day prosperity

Prosperity begets prosperity: On a global level, economists and historians have shown that places that prospered 100, 500, even 1,000 years ago tend to be more economically developed today.
Read more: https://www.washingtonpost.com/amphtml/business/2018/08/06/how-year-old-roads-predict-modern-day-prosperity/?source=Snapzu