How was slavery under British rule different to slavery under Spanish rule?

The history of Spanish enslavement of Africans began with Portuguese captains Antão Gonçalves and Nuno Tristão in 1441. The first large group of African slaves, made up of 235 slaves, came with Lançarote de Freitas three years later. In 1462, Portuguese slave traders began to operate in Seville, Spain.

the correct answer for the first is d

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