Confederate is a geographic way to classify governments.
Explanation.
In confederation is where a group of people come together with common goals and form an alliance. In governance it where many states with political powers comes together and creates a central authority which guides them.And they becomes a permanent union of sovereign states for certain common purposes.
The best option from the list would be "confederate," since this type of government creates a "loose" bond between states with a relatively "weak" central government.
