On one level, trade ought to be the most simple thing in the world to understand.
https://ru.krymr.com/a/sanctsyi-protiv-ukrainy-forma-kapitulyatsyi-rossii/29564023.html
https://www.liga.net/politics/opinion/izobrajaya-jertvu-priroda-rossiyskih-sanktsiy-protiv-ukrainy
https://www.inopressa.ru/article/25Oct2018/lefigaro/rome.html
http://www.dsnews.ua/world/finn-po-pasportu-kak-rossiyskiy-oligarh-pytaetsya-iz-pod-24102018220000
https://www.gazeta.ru/army/2018/10/25/12034543.shtml
http://www.kasparov.ru/material.php?id=5BD20D5EE764B
https://www.inopressa.ru/article/25Oct2018/washtimes/parties.html