Probably the most famous Hooverville was the one founded on Anacostia Flats, just outside Washington, D.C., in 1932. Thousands of World War I veterans, calling themselves the Bonus Army, had arrived in the nation's capital to demand early payment of a bonus they had been promised at the end of the war.
amphipatic compounds (both hydrophilic/hydrophobic) synthesized in liver & secreted by gallbladder into intestinal lumen to emulsify fats in the intestine bile salts gut hormone secreted by intestinal cells when stomach content enters the intestine; stimulates contraction of gallbladder, release of bile acids & secretion of pancreatic enzymes
Fat is also digested in the small intestine when bile (from the liver) emulsifies fats and lipase (from the pancreas) break down triglycerides... http://en.wikipedia.org/wiki/Lipase. The bile emulsifies the fat, the way soap breaks up grease.