How were officials chosen for government positions within the Tang Dynasty? Loyal friends were placed in official positions.
Positions were handed down from father to son.
Wealthy landowners paid for government posts.
Civil service exams helped identify skilled workers.

he 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: