I believe the correct sentence should be; “Why do you think the visitors didn’t obey the rules?” Mother asked. A question mark is needed for the question and Mother must be capitalized.
Answer:
A. He was afraid that white people would not buy his book if he wrote positively about Native Americans.
Explanation:
<span>Both Keats and Shelley celebrated life in their poetry. </span>
B. It states that they are "alone together" and an oxymoron is two contradictory terms placed together.