Concept:In a constitutional democracy, accountability means that the holders of power are answerable to the people and other institutions.
Explanation:Constitutional democracy is built on the principle that power should be shared and controlled.
The system of checks and balances ensures that none of the three arms of government becomes too powerful.
The executive, the legislature, and the judiciary each have the power to limit and review the actions of the other branches.
This mutual control prevents abuse of power, exposes wrongful conduct, and forces each arm to act responsibly and transparently.
Civil society and proper selection of leaders are helpful, but they are not the strongest institutional method of enforcing accountability.
Therefore, accountability is best enforced through checks and balances.
Answer:A. checks and balances