B abstraction is youre answer
Explanation:
Organizers called the demonstrators the "Bonus Expeditionary Force", to echo the name of World War I's American Expeditionary Forces, while the media referred to them as the "Bonus Army" or "Bonus Marchers". ... The principal demand of the Bonus Army was the immediate cash payment of their certificates.
Explain how they have had an impact on changing perspectives
I think that the answer is C. Hope this helps
