Answer: The answer is given below
Explanation:
The "I have a dream speech by Dr Martin Luther King Jr is still regarded as one of the greatest speeches ever made.
The speech changed the world as Dr King's confidence, strong speaking skills and use of analogies for points illustration made the speech a beautiful one which touched many lives.
At the beginning, Dr King's said that blacks were not free which he illustrated further through the basic amendments. He believed that blacks were not treated equally in America.
He further talked about racism and how it can be stopped, he said that we're are all equal. In the end, he pointed out that even though there were difficulties and challenges today, he had a dream that tomorrow will be better and there'll be a better United States and a better world where everyone is equal.
This concluding part of the speech was motivational, inspiring and encouraging.
Efficacy means “capacity for producing a desired result or effect” so i believe the answer would be D.
hope this helps!!
The correct answer among all the other choices is a. formality. This is not something to consider when revising for clarity. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
