The National Minimum Drinking Age Act of 1984 (23 U.S.C. § 158) was passed on July 17, 1984 by the United States Congress. It punished every state that allowed persons below 21 years to purchase and publicly possess alcoholic beverages by reducing its annual federal highway apportionment by ten percent.
While this act did not outlaw the consumption of alcoholic beverages by those under 21 years of age, seven states and Washington D.C. extended its provisions into an outright ban. These states are: Alabama, Idaho, Indiana, Kansas, North Carolina, Pennsylvania, and Vermont. The minimum drinking age...