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(Spanish: contract) was the concession made by Spain to Britain at Utrecht in 1713 of the right to supply negro slaves to the Spanish empire. Intended to last for 30 years, the trade was never as profitable as the British hoped and disputes about its implementation were among the causes of the War of Jenkins's Ear in 1739. The British relinquished the concession in 1750 for £100,000 compensation.

Subjects: History

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