A friend of my family is a Cuban emigre from 22 years ago. He has made a successful life for himself and his family in the US. As a matter of personality, he is positive and enthusiastic, but he is negative on Cuba's prospects as a free country. Marxist resentment and the Castro culture of secret police and mutual suspicion have destroyed much of the spirit of trust an cooperation necessary for a people to live in freedom.
A million ethnic Koreans in Japan could help. Give them some land. Let them take the lead.