https://kyivindependent.com/carl-bildt-the-return-of-eu-enlargement/
https://www.ips-journal.eu/topics/foreign-and-security-policy/time-for-european-sovereignty-6365/?utm_campaign=en_1056_20221206&utm_medium=email&utm_source=newsletter
https://www.bruegel.org/sites/default/files/2024-09/PB%2019%202024.pdf
https://blogs.lse.ac.uk/brexit/2019/03/14/the-eu-is-a-default-empire-of-nations-in-denial/