How did slavery support mercantilism in Great Britain?

Slavery was downright essential to mercantilism in eighteenth-century great Britain. This was because mercantilism depended on the use of colonies to produce raw materials, particularly cash crops like sugar, tobacco, rice and indigo. Slaves were absolutely essential to the production of these crops which formed the foundation of the colonial British economy

Slavery was downright essential to mercantilism in eighteenth-century Great Britain. This was because mercantilism depended on the use of colonies to produce raw materials, particularly cash crops, for the mother country. These cash crops, with sugar being by far the most important, represented a major source of revenue for Great Britain.