https://www.brookings.edu/articles/biden-and-netanyahu-a-crisis-in-perspective/
https://www.brookings.edu/articles/why-do-us-presidents-like-military-assistance/
https://www.socialeurope.eu/can-the-west-woo-africa
https://theconversation.com/las-leyes-de-lanchester-guerras-y-ecuaciones-222469