For starters, how the fuck do you enforce an embargo without the threat of violence, and secondly I love how me and all my communist friends are expected to have a PhD in world history and economics while your average liberal can cite two state department links and a CIA funded NGO and call it a day.
Literally a rapporteur from the UN, who was a Harvard educated ghoul too, went to Venezuela in like 2014 and he was like "yeah the situation in Venezuela isn't great but the sanctions are making everything worse and constitute a crime against humanity"