正文：
The government of a country is its control system.
一个国家的政府是其控制系统。
Governments make laws and provide services to their citizens.
政府制定法律并向其公民提供服务。
The land over which a government has controlled is its territory.
政府控制的土地是其领土。
A country's territory has boundaries or borders.
一个国家的领土具有分界线或边界。
When you leave or enter a country's territory, you usually need a passport.
当你离开或进入一个国家的领土时，你通常需要护照。
A country's military provides defense for its territory and its citizens.
一个国家的军队为其领土和公民提供防御。
The military includes an army, an air force, and a navy.
军队包括一支军队，一支空军和一支海军。
The main purpose of a military is to defend a country from attack.
军队的主要目的是保卫国家免受攻击。
A country's criminal justice system includes the police, courts, and prisons.
一个国家的刑事司法系统包括警察，法院和监狱。
Its purpose is to enforce the law and protect people from criminal activities.
其目的是执行法律并保护人们免受犯罪活动的侵害。
A country's social services system provides support to people in need.
一个国家的社会服务系统为有需要的人提供支持。
It provides basic health care services and helps poor people support their children.
它提供基本的医疗保健服务，并帮助穷人养育自己的孩子。
Most of the citizens of a country live within its territory.
一个国家的大多数公民都生活在其领土内。
