Explanation

Unicameral legislatures (having only one legislative chamber) are common in unitary systems, where power is centralized, and there is no need for a second chamber to represent different regions or states, as in a federal system.

Unicameral legislatures (having only one legislative chamber) are common in unitary systems, where power is centralized, and there is no need for a second chamber to represent different regions or states, as in a federal system.