The question talks about the excerpt from Dr. Martin Luther King Jr's "I Have a Dream" speech. So, paragraph four clues down option (d): "guaranteed"
We have therefore come here today to portray a deplorable situation. We've essentially come to the capital of our country to cash a check.
"The noble words of the Constitution and the Declaration of Independence were written by the founders of our republic as a promissory note to which every American would become heir."
The unalienable rights to life, liberty, and the pursuit of happiness were promised in this note to all men, including black and white men.
Therefore, "guaranteed" serves as the best context cue to understand what "unalienable" means in paragraph 4.
Check out the link below to learn about the I have a dream speech;
https://brainly.com/question/11189487
#SPJ2
