Mature or adult would be your answer.
The question that wasn't actually answered by the Article is: A. What old songs did Dr. King speak about?
This question is related to "I Have A Dream" speech.
<h3>About "I Have A Dream"</h3>
"I Have A Dream" is a powerful speech that was given by Martin Luther King Jr. King, a civil rights leader, addressed the crowd at the Lincoln Memorial in Washington, D.C.
The speech was known to have taken 55 minutes to deliver. Martin Luther King Jr. delivered the speech to hundreds of thousands gathered in Washington in 1963.
Learn more about "I Have A Dream" on brainly.com/question/24034250
d. Latin implicare
Employ would be in the modern dictionary, which is why I chose d.