Answer:
Option d. Albert Fall created backlash against the Pueblos and demanded they and their supporters be investigated.
Explanation:
Albert B. Fall was a former Senator from New Mexico who, in 1921, was appointed Secretary of the Interior of which the Indian Office was a part of. This gave Fall the power and responsibility to be in charge of all Indians affairs. He was openly hostile against Indians' rights and enforced several prohibitions against their religious rights and practices.
Albert B. Fall was behind the Bursum Bill who was presented by Senator Holm O. Bursum. When the Council of New Mexico Pueblos and different pro Indian organization took the bill to the Congress to be revisited, Fall created a public backlash against the Pueblos and demanded they and their supporters be investigated.