Answer:
A). Power
Step-by-step explanation:
The Constitution of the United States asserts that the federal government, as well as, the state governments share concurrent power. The division of power between central and state governments primarily helps in preventing the concentration of power with a single institution and in maintaining the balance of powers. Thus, the concurrent powers are shared between both the governments to ensure adequate enforcement of laws and a better regulation of the country. Hence, option A is the correct answer.