Answer:
On the eve of Dr. King's death, he said the following:
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He said that we have an opportunity to make America a better nation.
He said this at his last speech in Memphis, Tennessee to thousands of hopeful black, white, and native Americans.
The name of this speech was "I've been to the mountaintop", as given by most of America.
Hope this helped in time :)
Lmk if this was correct and/or incorrect.
~connor