Which of the following was a difficult he faced by the ottoman empire in the 1700s and 1800s

NO options provided, kindly let me elaborate some of the challenges the empire faced:

The otoman empire large size precipitated its downfall. After suleiman assasinated his son and chose a weak ruler instead the empire suffered from inadequate administration. The rulers also engaged in corruption. in addition, the lack of an elaborate succession plan, meant frequent civil wars resulting from fractricide. Eventually, the war involved the jannissaries, royal sons from the royal halem. The empire quickly disintegrated into economic problems.