https://www.kommersant.ru/doc/3814199
https://www.finanz.ru/novosti/valyuty/rubl-padaet-popav-v-geopoliticheskuyu-lovushku-1027770415
https://www.rbc.ru/newspaper/2018/11/30/5bfff6c59a794733fb543be4
In 2016, when his company was negotiating a potential deal in Moscow, Donald J. Trump suggested that there was no need for the United States to penalize Russia over Crimea.
https://www.nytimes.com/2018/11/29/us/politics/trump-cohen-russia-sanctions.html
https://www.novayagazeta.ru/articles/2018/11/29/78738-holostoy-hod
http://expert.ru/2018/11/28/kerchenskaya-polupobeda-petra-poroshenko/
https://www.rbc.ru/newspaper/2018/11/29/5bfd49709a794768e46076cd
https://112.ua/statji/sammit-g20-bitva-ukrainy-za-novye-sankcii-protiv-rossii-471558.html
http://www.rosbalt.ru/world/2018/11/29/1749887.html