What are the reasons that facilitated the Ottoman conquests.

1. The weakness of opponents and their disunity. Those with whom the Ottoman Turks fought in the XIV-XVI centuries, as well as most of the XVII century (until 1683), were inferior to them in the number of infantry and cavalry, and were also inferior to the allies of the Ottoman Empire, for example. Crimean Tatars.

2. Modern artillery for its time, it helped in the assault on Constantinople in 1453. In this sense, the Ottomans were superior, for example, the Persians.

3. Opponents were often small states – Albania, Wallachia, Moldova, Trabzon, Byzantium of the last emperors from the Palaeologus dynasty.

4. The system of recruiting Janissaries from representatives of the conquered peoples.