The Origins of the Package Store

https://www.robertfmoss.com/features/The-Origins-of-the-Package-Store#:~:text=One%20common%20explanation%20you%20hear,%E2%80%94that%20is%2C%20in%20packages.&text=The%20term%20%E2%80%9Cpackage%20store%E2%80%9D%20has,roots%20back%20during%20that%20period.
How did liquor stores become known as packages stores? Don't ask how I got thinking about this but I found it interesting.