Question

This piece of text is a

sidebar.
summary.
quotation.
main topic

Answer 1

quotation

Step-by-step explanation:

Because it is a short sentence as many short sayings such quotation.

Answer 2

A: Sidebar

Step-by-step explanation:

It's not the main topic, but the Okie situation was an example of the story "Years of Dust." Since it's just an example, it's just a sidebar of the story.