You need to remove the colon
The author wrote this text to teach That the flu is not a little thing it can get passed around very easy because everyone needs to learn the importance of the flu or they will get the flu because they don’t know how to prevent from getting it
Answer:
In rhetoric and argumentation, a claim is an arguable statement—an idea that a rhetor (a speaker or writer) asks an audience to accept.
Well, you could not ge to war. You could make better schools. Etc.