Industries and governments had a really weird preoccupation with protecting people from margarine way before it was made with the hydrogenated oils that led to its unhealthy reputation in more recent years. There's even bootlegging involved.
Circa 1930 -- Wisconsin farmers protest the usage and sale of synthetic butter, otherwise known as oleo margarine, which was made from vegetable or coconut oils. Supporter and former U.S. Representative and current Commissioner of the Wisconsin State Department of Agriculture Joseph D. Beck stands in their midst. (Photo by Underwood Archives/Getty Images)