They're all examples of Government Agencies created to help support the country during war.
Food Administration was a government agency responsible for controlling food reserves for U.S. and Allies' troops.
The War Industry Board, as mentioned before, "<em>was created to coordinate the purchase of war supplies.</em>"
The U.S. Railroad Administration was a national railroad system in the US, which was created to improve railroads in the US. During war, the U.S. became a large provider of munitions, and the railroad system at the time couldn't handle the demand the war created. Thus, the investment in the national railroad system was made.
The War Industries Board was a United States government agency established on July 28, 1917, during World War 1, to coordinate the purchase of war supplies between the War Department and the Navy Department.
There are people or a group of individuals who are selected by the masses to run the states and more over the countries all around to attain a much better place and environment to live for the generations.
As, this group of power full individuals are characterized as the officials with the elite positions inside the society and more over the incentives which they receives are also very lucrative as compared to any other individual.
So,wright mills called the top people in u.s. corporations, the military, and politics who make the nation's major decisions as the <u>elite people.</u>