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In page Tristan da Cunha:

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After the outbreak of the American Revolutionary War halted penal transportation to the Thirteen Colonies, British prisons started to overcrowd. As several stopgap measures proved to be ineffective, the British Government announced in December 1785 that it would proceed with the settlement of New South Wales. In September 1786 Alexander Dalrymple, presumably goaded by Bolts's actions, published a pamphlet[5] with an alternative proposal of his own for settlements on Tristan da Cunha, St. Paul and Amsterdam islands in the Southern Ocean.[citation needed]