What played a major role in the decline of the ottoman

The reasons that allowed the Ottomans to reach that far into Europe are: The undermining of the Byzantine Empire by the European powers between 1200-1453. Religious strife in Europe, caused by the Reformation, isolating the Catholics and providing European allies to the Ottoman Empire. Superior military tactics.

Explanation:

The reasons that allowed the Ottomans to reach that far into Europe are the undermining of the Byzantine Empire by the European powers, Religious strife in Europe caused by the reformation, isolating the Catholics and providing European allies to the Ottoman Empire.

c) they were beaten and fired from their jobs.