People have been harvesting fish from the ocean for thousands of years. They have been making bread for even longer.
Sanctions are not why Cuban's aren't able to eat. Cuba can and does trade with the rest of the world.
Cuban's can't eat because of how poorly their government allocates resources. This is the problem with all centrally planned economies - they eventually stop being run well.
It’s astonishing the amount of excuses people give for the extremely corrupt, dysfunctional, and undemocratic Cuban government.
It's shocking the lack of credit you're extending to the decade's long embargo for doing it's job of keeping Cuba poor.
Still, plenty of it out there, at this point it's more due to local disfunction more than anything.
Also, of course the extra effort that go to constrained sectors can't be expended for food production.
And a lot of the world follows US sanctions.
Calling "commies bad" is oversimplifying the situation. Ps China is a centrally planned economy that is the biggest in the world now.
But really the US should stop these sanctions. It's crazy that they still exist.
"From 1978 and for three decades afterward, China moved from central planning and autarky to a market-oriented economy."