Prohibition in the United States was a nationwide constitutional ban on the sale, production, importation, and transportation of alcoholic beverages that remained in place from 1920 to 1933.rohibition was mandated under the Eighteenth Amendment to the United States Constitution. Enabling legislation, known as the Volstead Act, set down the rules for enforcing the ban and defined the types of alcoholic beverages that were prohibited. For example, religious uses of wine were allowed.
Relaying sound waves is the function of a  frog's tympanum.    Specifically, the term describes a structure which is located on  the outside of some amphibians, insects and mammals. In frogs, it  is found just behind the frog's eye.
The internal obturator muscle or obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis. It exits the pelvic cavity through the lesser sciatic foramen. The internal obturator is situated partly within the lesser pelvis, and partly at the back of the hip-joint. It functions to help laterally rotate femur with hip extension and abduct femur with hip flexion, as well as to steady the femoral head in the acetabulum.