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.
Hundreds of gold-seekers died and were buried along the trail. The strain took a toll on the oxen and mules as well. As they traveled, forty-niners lightened the load by throwing out everything they didn't need--from cookstoves and furniture to barrels of flour.
