Grammatical functions in “when she sat on the stick”

Witch sentence contain an adverb clause

Which statement best reflects how martin luther king, jr. uses rhetoric and style in paragraph 9 of "letter from a birmingham jail" to assist him in advocating the use of nonviolent direct action to achieve justice for negro citizens in birmingham? click here to read the letter.

What can the reader infer about the fears and values of the ancient greeks based on this description of the cyclops’s island?