The answer is 'glossary'. It is usually found at the end of the book and is a list of the technical terms used throughout the book.
Answer:
I found this on the internet. I hope it helps:
The massive dust storms caused farmers to lose their livelihoods and their homes. Deflation from the Depression aggravated the plight of Dust Bowl farmers. Prices for the crops they could grow fell below subsistence levels. In 1932, the federal government sent aid to the drought-affected states
The first and fourth syllable in each line it creates a sensation of horse hooves drumming on the ground.
