What effect does the presentation of information have on the development of the passage? The sequential presentation of events helps readers experience them in the same manner as the family did.

The quality of both Twain's and Susy's writing shows that both spent a good deal of time refining their words.

By including several descriptions of family scenes, the personalities of more family members can be developed.

Susy's and Twain's descriptions of a situation are included, so the reader can examine two viewpoints of the same situation.