If it is for the Government of Cuba then yes. However, individuals can utilize the software.

This is the Bureau of Industry and Security website

This is the law itself

What are you talking about? Did you read the report? On page 7 They directly say that C/C++ “lack traits associated with memory safety”.

It isn’t illegal but I’m not to sure that they will be selling voting shares to the average redditors. They tightly control who can actually make decisions.