Answer:
Dictatorship
Step-by-step explanation:
Confederation is basically a group of states that are independent and live relatively close by.
Parliamentary is where a cabinet of members run a country.
Dictatorship is usually where someone with a strong millatary power takes over office and refuses to leave.
Monarchy is where a king or queen run there "kingdom/ queendom", and have a line to make sure that there family will continue to rule there country.