What kinds of opportunities did the destruction of the Janissaries create for the Ottoman Empire,and what was missing without the Janissaries?

The Auspicious Incident and the Janissaries Competing Vision of Power

The topic is: What kinds of opportunities did the destruction of the Janissaries create for the Ottoman Empire,and what was missing without the Janissaries? Chicago Style citations.

Also, use as a source, not available in pdf form: Howard, Douglas A. “A History of the Ottoman Empire.,” Cambridge U.K.:
Cambridge University Press, 2017.