in a unitary system of government, power is\n○ held by state governments.\n○ held by a central…

in a unitary system of government, power is\n○ held by state governments.\n○ held by a central government.\n○ held by a single person.\n○ held by a group of people.
Answer
Brief Explanations:
In a unitary system, power is concentrated in the central government. State governments, if present, derive their power from the central government. It is not held by a single person (which would be autocracy) or a group of people in the way described here.
Answer:
B. held by a central government.