Answer:
It changed the attitude of white Americans toward Native Americans.
Explanation:
Helen Hunt Jackson was born in Massachusetts, American known as a writer and poet who is famously known for her work  A Century of Dishonor in 1881 and became an activist on behalf of Native Indians treatments by the United States government. By the coming of this book, it was well-received and it affected White American attitudes toward Indians later on and also the government appointed a commission to look into Indian Ponca people.
