Although Cubans do not enjoy complete political freedom, most people there have a higher standard of living than before the revolution, almost everyone knows how to read and write and most social services are free (Cubans have better healthcare than US citizens).
Far from trying to make them equal.
In Cuba, the authorities even have trouble locking dissidents up, more often than not. In NK, mass executions and mass imprisonment are the norm, and the differences between prison, labor and army service is at best murky.
https://en.wikipedia.org/wiki/Brazilian_military_government
And i really wonder how long the democracy will last if they get too uppity towards US policies...
In the end the Monroe doctrine still seems to be adhered to: