https://www.ips-journal.eu/topics/foreign-and-security-policy/a-message-of-disunity-7363/
https://www.brookings.edu/articles/us-mexico-security-collaboration-wont-be-easily-resurrected/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=145976283&utm_source=hs_email
https://europa.eu/globalstrategy/sites/globalstrategy/files/regions/files/eugs_review_web_0.pdf