Need help with Wk 3 Photography and Social Reform

Review “Documenting the Face of America: Roy Stryker and
the FSA/OWI Photographers,” and Ch. 5 of Oxford History of Art:
Twentieth-Century American Art.
Write a 200- to 350-word summary responding to the following:
How was photography used as an instrument for social reform? What
photograph do you think makes the most powerful social commentary?