No, it is not.
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It depends on how you define Denmark. If you mean Denmark proper (European Denmark bordering Germany) the answer is no, but if you mean the State called The Kingdom of Denmark, then in reality it is a federation, since Greenland and the Faroe Islands constitute two self-governing parts of the state (and Denmark proper the third part). The seats in the Danish Parliament are split in a fixed relation between the three parts of the state: Denmark 175 seats, Greenland 2 and the Faroe Islands 2. [Just to avoid confusion: In spite of the above nobody calls Denmark a Federation]
unitary system
It can be, but not necessarily. A unitary state is simply one where the power is centralized in one place and contrasts with a federation in which power is divided among states/regions and a central government. For example, the UK is a unitary state (for the most part) whereas the US is a federation. A parliamentary form of government simply means that the executive branch/ministers/cabinet are part of the legislative body. Both unitary and federal states can have parliaments. For example, India is a federation with a parliamentary system where as the UK is a unitary state with a parliamentary system.
yes it is
The Federation of Russia has a federal system of government because the national government holds power but sub national governments also have powers that cannot be taken away from them. The Russian Federation consists of 83 sub national governments. The Federation of Russia though it is a Federal system does have a strong centralized government with lots of power given to the president.
Canada is a federation.
The System of Government Britain is a parliamentary democracy with a constitutional monarch, Queen Elizabeth II, as head of the State. Great Britain is a kingdom, It is not a Federation.
Yes, a federalist government blends elements of unitary and confederate systems.
yes it has a unitary system
The Roman Republic had a unitary system, not a federal one. In the federal system the regional units (states in many federations, cantons in Switzerland) have considerable autonomous powers. In a unitary system the regional units have their own administrative jurisdiction, but do not enjoy autonomy from the central government and administration.
There two types of features that make India a federation. The to types are union government and unitary.
its a system
Executive, legislative, and judicial
Its ideas are composed of a unitary government and a federation.