A system of government in which powers are divided between the a central government operating nationally in a country and the states government is known as Federalism or say Federal Government. Federal Government has the Judiciary, legislative and the executive arms or branches of government, which is also applicable to state governments, the state government also can create local governments. Not all power is given to the Federal Government according to the 10th Amendment, some powers are given to the state in which Federal Government has no such power.
Nonetheless,few of the things the federal government guarantees state government the following things;
(1). PROTECTION: apart from the normal protection against criminality, the federal government guarantees the state government from other countries from invading into the states' territory.
(2). STABILIZING INTERNAL DISORDER: federal government help to protect and stabilize any internal disorder in the states.
The correct answer is Barbarian. The term barbarian is used to refer to members of a community or tribes who don´t belong to any particular civilization. They usually adopted a nomadic lifestyle based and possessed great strength.
The correct answer is Banishment. Vikings were a Scandinavian civilization which navigated throughout the Arctic Waters between the 8th and 11th centuries. Whenever one of them was put to trial and punishment, one common chastise was to banish or exile this individual from the reign. This would normally mean death, as weather conditions in the latitudes Vikings lived are harsh.
The correct answer is Monotheism. Vikings were introduced to Christianity when they learned to write in Latin. This form of religion would continue throughout their time.