Law is a political institution that protects the rights of individuals and promotes justice. It has many purposes, but the main one is maintaining peace within a nation. It also protects minorities from oppression by majorities. It also promotes social justice and orderly social change. Different legal systems serve these purposes differently, and some do so better than others. For example, authoritarian regimes use law to suppress political opposition and minority groups. The rule of law often promotes economic prosperity, but this is not the only purpose of law.
Other aspects of law include consumer rights, immigration law, and nationality law. The first concerns the rights of foreigners in a nation-state. The latter concerns the issue of statelessness. The last two concern the rights of immigrants and foreign workers in particular. Common legal problems include immigration, housing issues, and debt or money issues. The government maintains websites that provide information about consumer rights, crime, and other issues.
Law is a broad discipline that focuses on the application of rules. It regulates behavior and enforces the rule of law in a community. It serves as a mediator between the people who live in a particular area.