I think it is "by foreshadowing what will happen"
1. I looked out of my bedroom window to the horses frolicking through the meadow.
2. This bank accepts deposits from children of any size, even elementary school!
3. The professor continued to make more and more astounding comments as he rose from his desk.
4. Yesterday, the landlord told all of the tenants that he was raising their rent.
5. My mother gazed with dismay as the contents of the broken jars oozed out onto the floor.
To deliver a theme to the audience
Answer:The first real rise in Byzantine power, however, was in 526 CE, when the emperor Justinian rose to power in Constantinople and started a conquest that would stretch across the Mediterranean, recapturing most of the formal Roman Empire
Explanation: hope this help:)
Answer:
-It's natural that some people are slaves
-Slaves are inferior beings
-Slavery is good for slaves
-Abolishing slavery would threaten the structure of society