Answer:
- Appropriateness.
Explanation:
Reviewing a topic is one of the most significant steps while determining a topic to be presented to the audience. It is primarily based on the type of audience, their beliefs as well as understanding/knowledge. Therefore, a speaker while selecting a speech topic needs to ensure the appropriateness and suitability of the topic according to the audience group one is going to deal with.
As per the given description, Rachel is reviewing the topic that she has selected to check its 'appropriateness' as she is considering the points that whether the topic would be contentious or appealing to the audience. She is aiming to analyze the aptness of the topic according to the vast audience group she is addressing and ensure that if the topic would be able to convey the intended message effectively to the audience.