https://www.kcl.ac.uk/policy-institute/assets/rising-to-the-china-challenge.pdf
https://blogs.lse.ac.uk/brexit/2021/02/26/future-british-european-security-relations-are-a-matter-of-trust/
https://ukandeu.ac.uk/destructive-ambiguity-northern-ireland-the-union-and-the-windsor-framework/