Supreme audit institutions perform independent ex-post audits of government accounts to verify legality, regularity, and value-for-money of public expenditures.

Performance-based budgeting links funding to measurable outcomes and outputs, improving accountability and resource allocation though it does not guarantee expenditure cuts or remove political influence entirely.

The principal–agent problem arises when agents possess more information than principals and have different incentives, leading to shirking or divergent actions.

Governance denotes a broader, networked mode of public decision-making involving both state and non-state actors, unlike traditional hierarchical government.

Agenda setting is the initial stage where problems are recognized and selected for government attention, preceding formulation and implementation.

Gender budgeting integrates gender equity into budgeting to ensure resources are allocated in ways that address differential needs and impacts.

National defense is non-excludable and non-rivalrous, meeting the criteria of a pure public good, unlike the other examples.

WWI expanded state intervention and led to increased attention to social welfare, including pensions and public health reforms, though full welfare systems developed gradually afterward.

Cromwell led the Parliamentarians in the Civil War, oversaw the execution of Charles I, and ruled as Lord Protector during the republican Protectorate.

Pakistan Railways' central administration and headquarters are located in Lahore.