Answer:
Sole-Princeship (Dictatorship)
Step-by-step explanation:
Sole-Princeship (Dictatorship) is harder to obtain because it requires absolute power and sole decision making without the presence of close allies which are usually given posts and acts as cabinet members. In this scenario it is easier for the people to rebel against the rule.
Princedom with Barons (Absolute Monarchy) involves the presence of barons who support and ensure he/she is safe from any form of rebellion.