To best describe, the role of the federal state in a country's political organization is to act as a single centralized economy for a collection of subnational states allied for a common purpose.
<h3 /><h3>What is a Federal state?</h3>
The federal government ensures state and local governments' cooperation by providing funds for federal programs.
The programs are affordable health insurance, road, airport, and highway construction, and pollution control.
The state government is in charge of the affairs of the state.
Thus, the correct option is B.
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