Independence wars rose within the Ottoman Empire. The Independence of Greece was essential to the collapse of the Ottoman Empire which occurs later on after the Crimean war.
Russo-Turkish war was initially sparked by the Greek war of Independence. It ended as the Ottoman Empire’s defeat.
This treaty led to further weakening of the Ottoman Empire by enforcing Russia's power over the Black Sea (Territorial gains) and demanding Turkey for compensations of the previous war.
The Ottoman Empire allowed Britain to freely trade under their fixed conditions of the treaty. This treaty also forbade absolute power during the process of trading.
Due to the Convention of Balta Liman, Britain realizes the importance of keeping the Ottoman Empire (stability of world) and so allies with the Ottoman Empire.
France demanded restoration of the rights of Catholicism over the Holy places. Their demands weren’t entirely because of their religion, but were partly Russia’s fault for insulting France.
France secures power to the Palestinian holy places from Abd al-Majid.
Menschikov mission arrived in Constantinople with Czars demands to coerce the Sultan into giving power over the Holy places and the Black Sea.
The Turkish government disapproves to Russia’s counter demands. Basically, they wanted granted rights of the Orthodox Church and Russia’s freedom in occupying the Ottoman Empire.
Britain feared Russia’s counteracts towards the Ottoman Empire; the black sea was crucial in trading with other countries. This encouraged Britain to fight against Russia while supporting the Ottoman Empire by approaching to Dardanelles.
Russia and the Ottoman Empire broke off relations, in respond Russia retorted by invading Moldavia and Wallachia
The British fleet approached the Dardanelles as a show of force in support of the Turks
With the help of Britain, France, and partly from Austria, the Ottoman Empire declared war on Russia.
he battle of Oltenitza was the first military engagement of the Crimean War. It ended as a tactical victory of the Ottoman Empire and driven the Russians off Oltenitza, the land of Southern Romania.