
https://www.koerber-stiftung.de/fileadmin/user_upload/koerber-stiftung/redaktion/the-berlin-pulse/pdf/2018/The-Berlin-Pulse-2018.pdf

https://ukandeu.ac.uk/british-foreign-policy-in-a-broken-world/?mc_cid=ec54813c93&mc_eid=815b1928ec

https://www.project-syndicate.org/commentary/nato-at-75-unique-source-of-american-power-in-the-world-by-carla-norrlof-2024-04?barrier=accesspaylog