Linked from

The 34 pages that link to Canning, each with the reason it gives.

• Food preservationBroader topic: Low-acid foods require carefully controlled canning to prevent botulism.

• Food processingBroader topic: Sealed, heat-treated foods can remain shelf-stable for long periods.

• History of foodBroader topic: Canning enabled durable provisions for armies, ships, and expanding urban populations.