Where are the foods of yesteryear?

"Hard Times and Hardtack" was going to be the title of my article on Civil War food for Historical Times Magazine. The title apparently failed to please but the magazine and the article will be out on August 1, 2022.  https://online.1stflip.com/dssx/3jfn/   
I learned fascinating things while writing it. The following tidbits are among the 3,000 words I cut: 
 American cuisine did not spring into existence with the first colonists. They brought their cookbooks and their ideas of what food should be w...