The main purpose of NAD is to A preserve and represent the deaf and hard of hearing of the United States
B construct deaf schools in all major U. S. cities and communities
C engage hearing populations using advertising campaigns
D decrease resistance to mainstreaming the deaf population

the answer is A

Explanation:

the roman army grew in size and became dominant in the mediterranean region.

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: