
https://www.nytimes.com/2019/06/06/world/europe/us-defense-spending-nato.html

https://www.ips-journal.eu/topics/foreign-and-security-policy/germanys-fall-from-grace-7536/

https://docs.google.com/a/independent.gov.uk/viewer?a=v&pid=sites&srcid=aW5kZXBlbmRlbnQuZ292LnVrfGlzY3xneDo1Y2RhMGEyN2Y3NjM0OWFl