http://ec.europa.eu/economy_finance/publications/pages/publication16004_en.pdf
https://www.brookings.edu/articles/south-korea-as-a-global-pivotal-state/
https://blogs.lse.ac.uk/europpblog/2023/08/25/why-the-eu-now-plays-an-increasing-role-in-europes-collective-defence/