https://www.brookings.edu/blog/the-avenue/2017/08/03/u-s-immigration-levels-continue-to-fuel-most-community-demographic-gains/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=54956018
https://www.project-syndicate.org/onpoint/the-marshall-plan-and-america-first-by-benn-steil-2017-08?utm_source=Project+Syndicate+Newsletter&utm_campaign=a7ab490cfb-op_newsletter_2017_4_8&utm_medium=email&utm_term=0_73bad5b7d8-a7ab490cfb-105765449&barrier=accessreg
http://www.europarl.europa.eu/news/en/news-room/20170505STO73515/migration-crisis-73-of-europeans-wants-eu-to-do-more