A government in which all the powers are held by a central agency which then gives out the remainder of the powers to local government for its own convenience

Unitary government

Explanation:

A unitary government is a form of government that is characterized by the central government holding or exercising most of the power in governing the affairs of the nation or country. The limited power is then given to the government at the lower level to perform.

Hence, a government in which all the powers are held by a central agency which then gives out the remainder of the powers to local government for its convenience is known as UNITARY GOVERNMENT

it was the new england colonies.

hope dis !

definitely a for sure. ill see and update if i get the answer