https://ukandeu.ac.uk/the-effects-of-the-war-in-ukraine-on-european-defence-deeper-eu-integration/
https://visegradinsight.eu/germany-complicated-sometimes-ambivalent-partner/
https://www.ips-journal.eu/topics/foreign-and-security-policy/a-message-of-disunity-7363/
https://www.brookings.edu/blog/order-from-chaos/2020/03/23/as-us-russian-arms-control-faces-expiration-sides-face-tough-choices/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=85144056