Following the Treaty of Turkmenchay 1828 and the Treaty of Adrianople (1829), Britain feared that Persia and the Ottoman Empire (now Turkey, etc.) would become protectorates of Russia. This would change Britain's perception of the world, and its response was The Great Game. Britain had no intention of getting involved in the Middle East, but it did envision a series of buffer states between the British and Russian Empires that included Turkey, Persia, plus the Khanate of Khiva and the Khanate of Bukhara that would grow from future trade. Behind these buffer states would be their protected states stretching from the Persian Gulf to India and up into the Emirate of Afghanistan, with British sea-power protecting trade sea-lanes. Access to Afghanistan was to be through developing trade routes along the Indus and Sutlej rivers using steam-powered boats, and therefore access through the Sind and Punjab regions would be required. Persia would have to give up its claim on Herat in Afghanistan. Afghanistan would need to be transformed from a group of warring principalities into one state ruled by an ally whose foreign relations would be conducted on his behalf by the Governor-General and the Foreign Office. The Great Game meant closer ties between Britain and the states along her northwest frontier.