https://www.europarl.europa.eu/meetdocs/2009_2014/documents/deea/dv/2203_07/2203_07en.pdf
https://blogs.lse.ac.uk/europpblog/2023/08/31/the-russo-ukrainian-war-by-serhii-plokhy-book-review/
https://www.aspistrategist.org.au/regional-environment-behind-recent-terror-attacks-will-likely-support-extreme-groups/