Explanation:
John Lewis became devoted to pursuing his personal educational objectives and prosperity for his country. He coincided to Dr. Martin Luther King, Jr., who vowed to pursue the civil rights movement after being motivated by his instance in the Bus boycott.
He's assuring Parliament that his new policy will consist of nothing less than "to wage war, by sea, land, and air."
When the movie ends, what the oak tree does at the theater is that it leaves.
This is a pun supposed to have a humorous effect on the listener or the reader - usually, when a movie ends, people leave the theater. However, since this is a tree, and it's got leaves, you can understand the correlation between the two words.
It is considered a sin to kill a mocking bird
The correct answer is B: HOWEVER.
From the passage given above, it can be seen that the similarities between coal and petroleum is the principal subject of the passage. The author gives several points that are jointly shared by both coal and petroleum. The author only gives one contrast between the two and in the process of making the contrast, he used the word 'HOWEVER'. The difference that the author gives about coal and petroleum is in their formation.