Government maintains law and order through the following except ________?

Analyze the question: We are asked which option is NOT an agency the government uses to maintain law and order. The word "except" means three options are agencies of law enforcement and one is not.

Concept: In government, the three arms have different roles:

• Legislature: makes laws
• Executive: implements and enforces laws (through agencies like the police, the civil service, etc.)
• Judiciary: interprets laws and settles disputes

Law and order is maintained through the enforcement agencies, which fall under the executive arm. These are mainly security and law enforcement bodies.

Step-by-step solution:

• A. Police: Enforce laws, prevent and detect crime, and arrest offenders. This is an agency of law and order.
• B. Immigration: The Nigeria Immigration Service controls entry and exit at borders and enforces immigration laws, which helps maintain order and security. This is an agency of law and order.
• C. The legislature: Its main job is making laws, not enforcing them or keeping order directly. This is the odd one out.
• D. Prison service: Holds convicted offenders and enforces court sentences. This is an agency of law and order.

Tip: Remember the roles with "M-E-I": Makes laws = legislature, Enforces laws = executive (police, prisons, immigration, customs), Interprets laws = judiciary. When a question asks about maintaining order, think of the enforcement agencies, not the law-making body.