How much faster would a mechanical reaper cut grain

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:

you didn't list the options. however, a few communist countries today are: the people's republic of china, north korea, and cuba.