In many cases, a subquery can be restated as a/an

- They have unappealing connotations, which helps the speaker use a mocking tone to insult death by saying he is usually found in unappealing places.

Explanation:

Word-choice play a vital role in the conveying the intended meaning and message of the audience.

As per the question, the response i.e. 'They have unappealing connotations, which helps the speaker use a mocking tone to insult death by saying he is usually found in unappealing places' most evidently elaborates the influence of the words 'poyson, warre, and sicknesse.' The author conveys an unpleasant implication through these words that assists him to adopt a mocking attitude which maligns death('slave to fate') by asserting that it is generally found in dreary locations and places.