Answer: Option (D). They demanded payment of bonuses promised to veterans.
Explanation: The mission of the Bonus Army in 1932 was to demand for the immediate bonus payment for wartime services to alleviate the economic hardship they were experiencing. They marched with their wives and children to Washington to demand for what was promised to them, this action exposed Hoover for not honoring his promise and made Americans even hate him more. President Hoover, however responded by sending soldiers to curtail the activities of the people , it led to the clash between the veterans and the soldiers which led to the death of some soldiers and some of the veterans.