French-Polish Nancy Treaty and the background

https://www.reuters.com/world/europe/poland-france-commit-helping-each-other-case-military-threat-2025-05-09/

https://www.ilfattoquotidiano.it/2025/05/09/francia-e-polonia-siglano-il-trattato-di-nancy-sostegno-reciproco-in-caso-di-attacchi-a-uno-dei-nostri-stati/7981537/

https://www.lemonde.fr/en/france/article/2025/05/09/france-poland-to-seal-alliance-with-strategic-treaty_6741086_7.html

https://it.euronews.com/my-europe/2025/03/07/come-funziona-lombrello-nucleare-francese-per-difendere-lue-di-cui-parla-macron

https://www.agenzianova.com/news/francia-polonia-macron-e-tusk-firmano-un-trattato-di-amicizia-con-una-clausola-di-difesa-reciproca/

https://www.ilsole24ore.com/art/merz-macron-ombrello-nucleare-comune-francia-e-regno-unito-AHTjqhd

https://geopolitique.eu/en/2025/05/05/the-conditions-of-a-franco-german-deal-on-european-defense/

https://www.ispionline.it/it/pubblicazione/80-anni-dopo-leuropa-nel-disordine-globale-208190