The UK&Ireland plus Northern Europe were key to driving global migration economy in mid 19th century. Caveats: 1. I wonder whether map is understating slave trade in E Africa. 2. Are intra-Asian flows properly scaled? But very interesting. Thank you @alexandreafonso twitter.com/alexandreafons…
RT @TheStalwart: Incredible. One of the most crucial links in the supply chain, has been for years, built on the
October 21, 2021
RT @TheStalwart: Incredible. One of the most crucial links in the supply chain, has been for years, built on the premise that some workers…