
https://www.brookings.edu/articles/a-deterrence-response-monitoring-capability-for-the-us-department-of-defense/

https://fpc.org.uk/wp-content/uploads/2020/12/Partnerships-for-the-future-of-UK-Foreign-Policy-FPC-publication-December-2020.pdf

https://facesofconflict.crisisgroup.org/on-the-front-lines-of-the-hot-land-mexicos-incessant-conflict/