How effective are embargoes?

Russia’s prominent daily English newspaper Pravda published Harun Yahya’s article “Upholding the territorial integrity of Syria and Iraq intact” Novermber 11th 2017.

http://harunyahya.com/en/Articles/266550

http://www.pravdareport.com/opinion/columnists/22-12-2017/139514-embargo-0/