Answer:
Hello. You did not present the answer options, but we can infer that the topic sentence that should be added is the one that shows that the volunteers of some activity have a great opportunity to make new friends.
Explanation:
The text presented above shows how volunteering is an enriching experience, because it allows individuals to expand their thoughts through interaction with people of different thoughts. Volunteering also allows individuals to meet people with similar thoughts and preferences, which can be very beneficial. In summary, we can say that volunteering allows individuals to make new friends. This statement will contribute greatly to the text if it is presented as a topical sentence, which is a sentence that presents the main subject discussed.
Colorful - this is because it is not capitalized and it's describing something<span />
Freedom has cost us a lot because of how valuable it is therefore we should defend it
The correct answer is B. Pathos, to appeal to our emotions.
Explanation
Pathos is a Greek word used to refer to a mode of persuasion in which the sender of a message focuses on using human feelings to affect the judgment of the receiver. Wiesel uses phrases that make use of feelings in his speech, for example, the phrases "if we forget, we are guilty" or "I have tried to keep memory alive". So the correct answer is B. Pathos, to appeal to our emotions.