What made the photo of the Migrant Mother so powerful?

The image of a worried but resilient mother was so powerful that it prompted the government to send 20,000 pounds of food to relieve starvation in a migrant worker camp. It may have also helped inspire John Steinbeck's literary classic The Grapes of Wrath.

Explanation:

From the moment it first appeared in the pages of a San Francisco newspaper in March 1936, the image known as “Migrant Mother” came to symbolize the hunger, poverty and hopelessness endured by so many Americans during the Great Depression.

In 1936 Florence Thompson allowed Dorothea Lange to photograph her family because she thought it might help the plight of the working poor. One of them, Migrant Mother, became the iconic photo of the Depression, and one of the most familiar images of the 20th century.

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