https://www.rosbalt.ru/blogs/2021/12/23/1937052.html
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://novayagazeta.ru/articles/2021/12/17/napadete-nakazhem
https://www.levada.ru/2021/12/16/mezhdunarodnye-otnosheniya-noyabr-2021/
https://www.ng.ru/world/2021-12-16/1_8329_sanctions.html
https://www.rosbalt.ru/world/2021/12/15/1935751.html
https://www.bbc.com/russian/features-59652453