Which two factors combine to form an authors purpose for writing a text

Audience  and  message , for the author  purpose for writing a text , it is important to  identify  its  targeted audience or the readers  and translate the  story  through  messages  that  derives  from  Authors thoughts and  opinions.

Explanation:

the excerpt from chapter 2 of "animal farm", by george orwell that is an example of foreshadowing is "these three (snowball, napoleon, and squealer) had elaborated old major's teachings into a complete system of thought to which they gave the name of animalism." animal farm is an allegory of how czarist russia developed into communist russia with all its corruption. old major's teachings represent marx's theories turned into communism, animalism, by the three pigs. this foreshadows the oppression and corruption that will follow this revolt.