What was the bonus army? a. a large group of concerned citizens who wrote to president hoover and pleaded with him to spend large sums of federal money in response to the economic crisis b. a large group of civil service workers who demanded that they receive their christmas bonuses early c. a large group of concerned citizens that marched on washington and pleaded with the president hoover not to pour federal money into the economy d. a large group of world war i veterans who marched on washington during the great depression in the hopes of receiving their service bonuses early