Giving supplies to america and allied troops fight the War in Europe, Africa, and the pacific required the efforts of americans.
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.
Transportation became faster and cheaper
Shortly after Reconstruction, people saw the beginning of the Industrial Revolution. During the Industrial Revolution, industry leaders would sometimes use scandalous methods for their own personal gain. For example, Jay Gould allowed William Boss Tweed to run one of his railroads, and in turn Boss Tweed would ensure that legislatures would pass what Gould wanted. Because of this, most historians depict some of these business/industrial people as “robber barons,” people that did horrible things for wealth. Although some of these methods to gain profit were extreme, most of these methods were ways to make more money. Through new waysto produce materials faster, monopolies, and Social Darwinism, these “robber barons” were nothing more than business people.