A. federalism
B. a confederation
C. a presidential system
D. a unitary government

Correct Answer:

Option D – a unitary government

Explanation

Centralization of power is the basic feature of a Unitary government.

Centralization is the process by which government power is located in a single central authority. The highest degree of centralization is realized where all powers of government are vested in a central authority. The degree of centralization is highest in a unitary state.

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