To maintain social order and to facilitate peace and compliance.
Answer: decreases alertness and low mental awareness
Explanation: when asleep although we still experience some level of consciousness, it fades as we fall deep into sleep. Mental awareness during this period is also undergoes major changes through an orderly progression of sleep stage.
The older Americans are very much worried about the discrimination faced on the basis of age.
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What is ageism, and why it concerns older Americans?</h3>
Ageism is the discrimination on the basis of a person's age. This is the one major issue in the world today.
The statement the older American are concerned by ageism is true.
Therefore, it is apt/true to say that older American people are concerned about ageism.
Learn more about ageism in America here:
brainly.com/question/1212563
I think your answer is D.) Labor Unions although if this is incorrect please let me know so I can research more on the subject.