They were young, Christian boys from the Balkans.
The Ottoman empire controlled most of the balkans.
The decline of the Ottoman Empire and the rise of nationalism during the Ottoman Empire.
Peace at Home, Peace in the World.
The Crimean revealed the Ottoman Empires military weakness. Without aid from other nations they couldn't win the war. After the Crimean war the Ottoman Empire went on to lose land leading to its decline.
The Ottoman Turkish Empire lasted almost 700 years, so obviously there were many leaders. The first leader was Osman Gazi, crowned in 1299.
Because the janissaries protected the sultan
In fact, it' janissaries, Ottoman infantry units.
That particular army was called the JANISSARIES.
They were both elite warrior units in the Ottoman Empire.
The Ottoman system for recruiting Christian slaves from the Balkans for the creation of the Janissaries (physically strong boys), Bureaucrats (mentally strong boys), and Harem Women (girls) was Devşirme.
a guerrilla army that sought to drive out the ottoman Turks
The Janissaries were an elite group of of infantry in the 14th century. The formed the Ottoman Sultan's household troops and bodyguards.
the elite soldiers name is Janissary, the protecter of the Ottoman Crown
It protected the sultan's power by providing him with a group of extremely loyal officials and soldiers.
There were many of the same jobs in the Ottoman Empire as existed in Europe at that time, such as soldiers (Janissaries), bankers, merchants, booksellers, grocers, artisans, government bureaucrats, and low-level manufacturers.
The Janissaries, being a conservative and traditionalist group, resisted the adoption of modern weapons because they believed it would undermine their status and power. The Janissaries were deeply rooted in Ottoman military and cultural traditions and feared that embracing modern weapons would lead to a loss of their unique identity and privileges within the Ottoman Empire. Additionally, the Janissaries had a monopoly on the production and supply of traditional weapons, which they sought to protect.
It is unclear what you mean by this question. There were certainly brigades in the Janissaries and Ottoman Traditional Armies that created terror and there were violent guerrilla groups that opposed the Ottoman Empire and civilians. The Ottoman Empire, however, did not design, create, define, or in any other way directly promote the concept or execution of terror activities.