What were US interests in Cuba?

The United States had millions of dollars invested in businesses in Cuba and there were many U.S. citizens in residence there. The U.S. also traded goods with Cuba.

ok, but what is your question? as soon as you tell me i will answer your question : )

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

explanation: