ANSWER:C)to teach us that we should be careful who we hang around school and in life.
The correct answer is<span> People per hour, because the dependent quantity is the people
That is because a dependent variable is one that changes based on other quantities that are being manipulated in an experiment. You can't manipulate the number of people, but you can hours, so it is independent.</span>
One of the key moments is definitely the I have a dream speech by reverend King. The speech showed how united they were and how they won't stop until they get their freedom. Another can be the assassination of JFK, which was important because a lot of people started supporting Johnson in passing the civil rights acts because they were actually supporting Kennedy who first wanted to bring these acts into law.