What was one of Steinbecks purposes for writing The Grapes of Wrath

I’m your response, discuss how this part of the speech fits into the overall structure of the text and analyze how well it’s supports the authors overall purpose.

Which of the following will most likely happen if the pancreas does not produce sufficient insulin? blood sugar will decrease because insulin lowers blood sugar when it rises too high. blood sugar will increase because insulin increases blood sugar when it falls too low. blood sugar will increase because insulin lowers blood sugar when it rises too high. blood sugar will decrease because insulin increases blood sugar when it falls too low.

The overwhelming majority of the peoples and nations of the world today want to live in peace