The expenditure of public funds by the executive in Nigeria is controlled by the

Explanation

The expenditure of public funds by the executive in Nigeria is controlled by the legislature.

One of the functions of the legislature is to approve how the government can raise and spend money. This is mostly done by approving the annual budget of the government.

The legislature in its job of checking the activities of other organs of government including the executive has the power to set up panels to investigate the activities of any department in government.