Which is the correct definition of the term “foot” as it is used in poetry?

the basic unit of meter in poetry

parts of stressed and unstressed words

arrangement of stressed and unstressed words

Which line from the story of my life by helen keller is an example of a simile? during the whole trip i did not have one fit of temper, there were so many things to keep my mind and fingers busy. i was like that ship before my education began, only i was without compass or sounding-line, and had no way of knowing how near the harbour was. one day, while i was playing with my new doll, miss sullivan put my big rag doll into my lap also, spelled "d-o-l-l" and tried to make me understand that "d-o-l-l" applied to both. child as i was, i at once felt the tenderness and sympathy which endeared dr. bell to so many hearts, as his wonderful achievements enlist their admiration.

What is the meaning of the word "caches" as it is used in paragraph 6

Maria is writing a persuasive essay for her english class. she asks marshall if it is important to use rhetorical appeals in her essay. which reasons could marshall give in favor of using rhetorical appeals