The answer to this problem is the "Antianxiety Drugs". This is the <span>Drugs that reduce the level of worry or tension a person experiences essentially by reducing excitability and increasing feelings of well-being. This drug makes the people stay calm and relax but this may also result in dizziness and weakness.</span>
The best answer to this question is: a unitary state (the correct answer is b).
A unitary state is a state with a central power, one where the government has the power and administration of the whole country and where there are no autonomous regions, such as states. The "opposite" of a unitary state is a federation.