Data Model specification and limits - Related links. 1  Create a memory-efficient Data Model using Excel and the Power Pivot add-in. 2  Workbook Size Optimizer download. 3  Power Pivot: Powerful data analysis and data modeling in Excel.
By 1916, over half of the U.S. states already had statutes that prohibited alcohol. In 1919, the 18th Amendment to the U.S. Constitution, which prohibited the sale and manufacture of alcohol, was ratified. It went into effect on January 16, 1920.
Legislation concerning the legal minimum drinking age in the United States can be traced back to the days of prohibition. In 1920, the 18th amendment to the U.S. Constitution declared it illegal to manufacture, transport, or sell intoxicating liquors.s the minimum legal drinking age was still left to the discretion of the state, the act did not violate the 21st amendment which reserved the right to regulate alcohol for all responsibilities not specifically appointed to the federal government to the states.