A. Speakers are able to support their assertions with facts.
Explanation:
In a collaborative discussion, it is important that one makes his points that are backed by some research. This is a very effective strategy that enhances the credibility of the speaker.
The party that has the most points backed by facts and figures wins because only facts can break facts, opinions cannot.
Therefore the correct answer is option <u><em>A. Speakers are able to support their assertions with facts.</em></u>
