The significance of the development of settlements called Hoovervilles is best reflected in option:
D. They were named as a political commentary on President Hoover’s perceived responsibility for the Great Depression.
Hoovervilles were makeshift shantytowns built by the homeless during the Great Depression, and their name was a direct mockery of President Herbert Hoover, who was widely blamed for the economic hardships of the era. They symbolized the suffering of many Americans and the failure of the government's response to the economic crisis.