I think it would be however good luck hope i helped:)
Answer:
The claim regarding whether the strategies used are effective
Explanation:
The above shows that, the information that is missing from the introduction to the rhetorical analysis essay happens to be the claims about the strategies being used. That is, if the said strategies happens to be effective or not effective.
Technically since it says in your own words, this is cheating, lets not cheat! finding the theme is simple, just ask yourself, what was the ppoint, its not asking you to summarize so dont say that this happened then this happened, nope just simply state the purpose of the article! hope i helped!
Sorry bud, but i cant help you