The answer is B. In a federalist system of government, like in the US, the powers are divided between the national and state governments, meaning this that each state has authonomy in certain degree to implement and manage their own laws, as long as this does not affect or contradict the Constitution. This system of government was implemented in the XVIII century as a way to ensure the individual liberties of americans.
The correct goverment is the last option
The answer to this question is that it is made up of salt water marshes.
Imperialism can be in the form of a colony where a foreign country is in control of a protectorate with the local government controlled by a foreign country.
