It is part of a compound subject
1 With. 2 as. 3 Together. 4 Together. 5 Together.
Well, you should be more specific as to what essay it is, in allusion <span>there are </span>issues which an author may not want to address directly<span>. The author may (for various reasons) </span>want<span> to be unclear. By addressing issues via an allusion, the author shifts the responsibility for interpreting his thoughts to the reader.</span>