Britain’s participation in the Atlantic slave trade is a matter of historical record and it was substantial. Between roughly 1640 and 1807, British ships transported approximately 3.1 million enslaved Africans across the Atlantic. British merchants profited. British planters in the Caribbean built fortunes on enslaved labour. British financial institutions provided credit and insurance to the trade. British ports, particularly Bristol and Liverpool, grew wealthy on the revenues it generated.
This is not a history to be defended or minimised. It is a history to be understood in its full context.
That context includes when Britain entered the trade, how British participation compared in scale to other nations, and who within Britain actually profited from it. All three of these contextual factors matter for assessing Britain’s responsibility relative to other actors, and for understanding what the reparations claim is actually asking British people today to acknowledge and pay for.