Final answer:
During the Great Depression, the Bonus Army, a group of World War I veterans, protested to receive their retirement bonuses. They set up camps in Hoovervilles in Washington D.C. and petitioned Congress, but were met with violence from the military.
Step-by-step explanation:
The Bonus Army, consisting of over 15,000 World War I veterans and their families, protested during the Great Depression to demand early payment of their retirement bonuses. These veterans set up camps in Hoovervilles throughout Washington D.C. and petitioned Congress for their bonuses. However, President Hoover ordered the military to disperse the protestors, resulting in violence and criticism of his handling of the situation.