https://www.ipg-journal.de/interviews/artikel/die-gruene-falle-3380/
https://blogs.lse.ac.uk/brexit/2019/03/14/the-eu-is-a-default-empire-of-nations-in-denial/
https://www.bruegel.org/sites/default/files/2024-03/PB%2005%202024_2.pdf
https://ukandeu.ac.uk/explainers/the-ukraine-eu-relationship/?mc_cid=b812d9af50&mc_eid=815b1928ec