Why don't you pick all the successes? Cuba has survived against the US despite crushing sanctions for decades and countless assassination attempts. Venezuela is doing just fine, except the UK stole their gold and won't let them buy the supplies the US claims their gov is denying them while trying to deny them more via sanctions. Why did you omit the entire hugely successful European North?

Like Capitalism, Socialism is a just tool, used for both good and evil, sometimes both. That's all. Like science, like religion, like justice systems, technology, economics, etc etc etc. All tools to play with.