It is important to use subordinate clauses when writing because they
a. add suspense to the text.
b. add variety to the sentence structure.
c. form the basis of grammar and punctuation.
d. demonstrate the style that the writer has decided to use.

it's like watching a fable, it's not really about the animals but rather it has a meaning that is understood by us and that is implicit, not explicitly said. implicit ideas are common and are used in almost all works of art, from writing to painting to sculpting.

its repetition emphasizing that the chain is his own. sorry if i am wrong.