The term "economic backbone" refers to the main source of economic stability and prosperity for a particular region or industry. It is the primary driving force behind a region's economy.
Related terms
Cash Crop: A cash crop is a crop grown specifically for sale and profit rather than personal use. Examples include tobacco, cotton, and indigo.
Plantation System: The plantation system was an agricultural system in which large tracts of land were owned by wealthy individuals who cultivated cash crops using enslaved laborers.
Triangular Trade: Triangular trade refers to the three-way trade network between Europe, Africa, and the Americas during which goods (including cash crops) were exchanged for slaves.