Place a checkmark next to each reason that speakers use rhetorical devices: to help them influence their audience to emphasize important points to make a speech longer and seem more formal to help the audience remember statistics or evidence related to the message to ask the audience to determine the message of the speech on their own to clarify information or important points to present information creatively and keep the audience interested

- to ask the audience to determine the message of the speech on their own

to present information creatively and keep the audience interested

Explanation:

there is no poster. if you add a poster then we can answer.

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.