In your own words, what do you know, understand about PTSD ? ( Post traumatic stress disorder )

It's to know your purpose before you read something because a purpose can:

Create an explanatory essay outlining a technological advancement during the industrial revolution in england, and how this advancement impacted the workers. compare this information with information you have researched about a twenty-first century hardware invention, how this has changed lives, and how the workers who create the hardware are impacted. construct a strong conclusion, making a connection between technology of the past and present.

"endangered dreams: the great depression in california: " which word best summarizes the author's description of the pea pickers camp?