Final answer:
The legal age to purchase any alcoholic beverage in NC is 21 years old according to the National Minimum Drinking Age Act of 1984.
Step-by-step explanation:
The legal age to purchase any alcoholic beverage in North Carolina (NC) is 21 years old. This is in accordance with the National Minimum Drinking Age Act of 1984, which required all states to raise their minimum drinking age to 21 or risk losing federal highway funds. It is important to note that underage drinking is illegal and can have serious consequences. It's essential to understand and follow the laws surrounding alcohol consumption and purchase.