King’s purpose for including the given sentence is to establish his professional credentials.
This letter was written by Martin Luther King Jr. on 16 April 1963.
This letter is written for the moral duties of people.
The king said that it is the duty of the people to act upon the injustice laws.
People should not wait for the law to act.
Thus, the correct option is C.
Learn more about Martin Luther King Jr., here:
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