https://www.project-syndicate.org/commentary/trump-spurs-european-defense-integration-by-joseph-s–nye-2017-07
https://blogs.lse.ac.uk/brexit/2020/10/01/churchill-the-european-has-been-written-out-of-history/#comments
https://publications.parliament.uk/pa/cm201719/cmselect/cmexeu/1778/1778.pdf