What was the purpose for the Pearl Harbor speech?

To let everyone know about what has happened and be ale to justify as to why he wanted to declare war on declaring war upon the Japanese Empire. His speech was touching to the people.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

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: