Question

Which of the following is defined as a biscuit or cracker made from flour, water, and salt used for armies before the invention of canning?

bread
hardtack
rusk
crust

Answer 1

hardstack/cracker

Step-by-step explanation:

i did some research

Aug 28, 2019 — He invented "Granula" in 1863 - fifteen years before Kellogg. ... Hardtack (sometimes called a "cracker" or "ship's biscuit") was a common sight on ... Made of just flour, water, and salt, hardtack was, well, hard. ... Some rusks, like zwieback, were even yeast-leavened sweet breads that were twice baked.

this is from one of the articles I found, not my work