Final answer:
The rhetorical mode used in the passage is description. The passage describes the transition of the Christmas story and the reasons why people continue to tell the tale despite knowing it is not true.
Step-by-step explanation:
The rhetorical mode used in the passage is description.
The passage describes how the story of Santa Claus has transitioned over time and how people continue to tell the tale despite knowing it is not true. It explains the reasons behind this, such as the enjoyment of making children happy and the lesson of joy in giving. The passage also compares the Santa Claus story to myths, as both are stories intended for the audience to believe.