However, Russia did not have complete control over these territories (the Circassian coast) from Anapa in the north to Sochi in the south.
It said: For preservation of the Russian possessions from infection and to prevent the delivery of military supplies to the mountain people, military cruisers will permit foreign commercial vessels only to two points – Anapa and Redoute-Kale in which there is a quarantine and customs... Great Britain regarded it as infringement of the principle of freedom of commerce.
[1] As a result of Muhammad Ali of Egypt's semi-rebellion, the Turks were driven to sign the Treaty of Hünkâr İskelesi with Russia (1833).
In November 1836, the Russian military brig Ajax detained the British schooner Vixen in (Adyghe: Цӏэмэз, Ts'emez) in the seaport of Sudzhuk-Kale (now Novorossiysk).
This was deemed a provocation by the Russians, instigated by the first secretary of the British embassy in Constantinople, David Urquhart.
After angry statements from London, Nicholas I of Russia ordered the army and fleet into a condition of raised battle readiness.
The official answer of the government and the Liberal Party to an inquiry by the Conservatives stated that Russia owned Circassia lawfully under the Adrianople peace treaty.