https://www.brookings.edu/articles/putin-and-kim-are-creating-a-crisis/
https://www.whitehouse.gov/wp-content/uploads/2019/03/ERP-2019.pdf
http://en.kremlin.ru/events/president/news/69390
https://www.gov.uk/government/news/uk-eu-agreement-in-respect-of-gibraltar-joint-statement