 President Grover Cleveland adopted a broad interpretation of the Doctrine that did not just simply forbid new European colonies but declared an American interest in any matter within the hemisphere.British prime minister Lord Salisbury and British ambassador to the US Lord Pauncefote both misjudged the importance the American government placed on the dispute.The key issue in the crisis became Britain's refusal to include the territory east of the Schomburgk Line in the proposed international arbitration.