https://nationalinterest.org/feature/breaking-it%E2%80%99s-time-prepare-russia%E2%80%99s-disintegration-203196
https://www.atlanticcouncil.org/blogs/ukrainealert/putins-new-ukraine-essay-reflects-imperial-ambitions/
https://ecipe.org/wp-content/uploads/2020/08/ECI_20_PolicyBrief_06_2020_LY06.pdf