Pen island
Timur the lame halted the expansion of the Ottoman Empire in 1402 when he crushed ottoman forces in the battle of Ankara
Embargo Act
The Ottoman Sultans extended their empire beyond the Middle East by occupying land in Europe. In 1389, the Ottoman victory at Kosovo paved the way for Ottoman expansion into Europe. The Ottoman army was the largest army in Europe.
It's surrounding neighbours such as Austria and Russia had modernize the majority of it's army to use rifle, meanwhile the Ottoman army that use rifle just the Jannisary. And any attemp to modernize the army always destroyed by the Jannisary and the Cleric. And Ottoman Empire didn't had any strong leader anymore.
The oil had to pass through ottoman land to Europe.
By pushing them out of the Balkans
At it's height the Ottoman Empire stretched from east of the Straits of Gibraltar across North Africa, down both shores of the Arabian Peninsula, into western Asia and far up into southeastern Europe. European expansion of the Ottoman Empire was finally halted when Don Juan de Austria, son of Carlos V, Holy Roman Emperor, defeated the Ottoman fleet at the Battle of Lepanto in 1571.
tabacco
The failed siege of Vienna by the Ottoman army.
The Sick Man of Europe
The son who halted the Arab advance in Europe was (nick)named Charles Martel, which last word means ´the hammer´.
Charles Martel