One of the most significant foreign policy events of the last 50 years is the introduction of Russian forces in the heartland of the Middle East and through this development, a restored cooperation with Egypt. Henry Kissinger noted that the Russian deployment of military forces in Syria is "unprecedented in Russian history presenting a challenge that American Middle East policy has not encountered in at least four decades."
https://www.washingtontimes.com/news/2017/oct/23/vladimir-putin-middle-east-policy-a-wedge-between-/
Despite some costly losses, Russia's intervention in the Syrian civil war has proved beneficial overall.
https://worldview.stratfor.com/article/syria-russian-military-found-ultimate-testing-ground
https://www.radiosvoboda.org/a/28809252.html
http://www.kasparov.ru/material.php?id=59EDD5CF9A97F
http://nv.ua/opinion/oreshkin/oblom-dlja-putina-vmesto-pobedy-2077335.html
Борьба Сирии против своих врагов в регионе и мире в политическом и военном отношениях предсказала два процесса.
http://inosmi.ru/politic/20171022/240579980.html
Такое отношение России к Украине уходит своими корнями в эпоху революции – и голода, в результате которого погибло 13% населения Украины
http://inosmi.ru/social/20171022/240585062.html
http://nv.ua/opinion/kurkov/sputali-karty-2061565.html
https://www.radiosvoboda.org/a/28806797.html
https://www.radiosvoboda.org/a/28807616.html