In the video, Nixon appeared to be nervous and uncomfortable. Those who listened to the debate on the radio would not have seen this as clearly. On the other hand, Kennedy appeared to be confident and comfortable, and he spoke clearly while focusing on the camera.
is actually the right answer i just took the test
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
Explanation:
Slaves are those people who are bound by the authority of someone and are meant to serve that authority
