Why was the united nations (un) established? a. to encourage cooperation between the great powers b. to preserve the absolute equality of all nations c. to punish germany for its role in the war d. to reprimand soldiers for committing war crimes

to preserve the absolute equality of all nations

no every country is held to the same degree as others just some member countries such as the usa and germany are more economically sound so the need to show there support to all others  

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: