World War I had an impact on American agriculture that in some respects is still being felt today. To ensure there was enough food to feed the army, the U.S. government put forward an attractive minimum price it would pay for wheat and hogs, which was essentially its first price support program for agricultural commodities.This week marks the 100th anniversary of the beginning of World War I in 1914. It was often referred to as the Great War since it was of a scope never before seen in the history of civilization. It was also called "the war to end all wars," because it was inconceivable that a conflict as horribly bloody and costly in human lives and as destructive in social and economic terms should ever occur again. Yet, World War I and...