Respuesta :
Answer:
to show why change was needed to improve people’s lives.
According to the excerpt, photographers in the 1930s often were hired to show why the change was needed to improve people's lives.
What is the Years of Dust?
Years of Dust is a book written by Albert Marrin.
The book is about sand storms that happened in the great plains during the 1930s.
It was a big disaster in the American history.
The storm destroyed crops, killed and blinded animals, suffocated children.
The Farm Security Administration enlisted the help of filmmakers and photographers to collect evidence demonstrating the need for change.
Thus, the correct option is C.
Learn more about Years of Dust
https://brainly.com/question/11182998