https://d2071andvip0wj.cloudfront.net/B004-covid-19-seven-trends.pdf
http://www.css.ethz.ch/content/dam/ethz/special-interest/gess/cis/center-for-securities-studies/pdfs/ST2018.pdf
https://www.nybooks.com/articles/2022/04/07/a-bridge-too-far-not-one-inch-m-e-sarotte/
https://ecfr.eu/wp-content/uploads/2024/02/Wars-and-elections-How-European-leaders-can-maintain-public-support-for-Ukraine.pdf