https://www.independent.co.uk/voices/donald-trump-merkel-germany-ukraine-war-b2041226.html
https://www.brookings.edu/articles/putin-and-kim-are-creating-a-crisis/
https://blogs.letemps.ch/nadia-sikorsky/2021/02/08/les-limites-de-la-neutralite/
https://www.nber.org/papers/w24701.pdf