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.
The Twenty-first Amendment does not prevent states from restricting or banning alcohol; instead, it prohibits transportation or importation of alcohol in any State, Territory, or Possession of the United States. in violation of the laws thereof, thus allowing state and local control of alcohol.