Final answer:
Helen Hunt Jackson criticized Dr. Jackson for the government's treatment of Native Americans in 'A Century of Dishonor', but she also believed in assimilation rather than preserving native cultures.
Step-by-step explanation:
In the book, 'A Century of Dishonor', the author Helen Hunt Jackson criticized Dr. Jackson for the federal government's unfair treatment of Native Americans and for not abiding by its own treaties with them. She documented how the government forcibly seized native lands and failed to live up to its promises. However, it is important to note that Jackson herself believed in assimilation rather than preserving native cultures.