Why is analogy a powerful rhetorical device? Select all that apply.

Analogy is a powerful rhetorical device because the comparison of an object to an abstract idea makes an idea more vivid; and due to the fact that the comparison produces vivid pictures and has emotional weight.

In other words, the first option and the third one are correct.

A comparison is a literary device used in order to compare two things that have similar features.  It creates a relationship based on parallels or connections between two ideas leading to a new concept.

the decreasing neutrality of the u. s. in world war i

hope this : )