I believe young Fredrick Douglass was a bit frightened and afraid to do anything but what he's told to do in his early years of life. He had seen his aunt be tortured and was scared to see that happen to himself so he stayed undercover for a long time.
Answer: They'll swamp the boat and be too far from the beach to swim.
Claims and support are related because claims are statements that are made by authors in relation to some subject matter that are backed up by "support" or evidence. Therefore, based upon these options, "An author will use support to back up a claim." This claim and support are what authors use to create arguments in writing to make a point and to express a perspective on a particular issue.
You did not provide the excerpt but in the end Jekyll was not able to permanently resist. It was implied that he was actually Hyde deep inside and that Hyde is the one who will overtake and he won't be able to come out again. In the end he dies as Hyde and people find out what happened out of letters that he sent while he was sane.
