Which of the barbarian tribes fought with the romans against a common enemy before attacking the city of rome 3 times before settling into spain. huns ostrogoths vandals visigoths

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: