U.S. Immigration Law governs how individuals from other countries can enter, live, and work in the United States. It includes various categories such as visas, green cards, and asylum applications, each with specific requirements and processes. The law is designed to manage the flow of immigrants while ensuring national security and protecting the rights of individuals. The law is enforced by agencies like U.S. Citizenship and Immigration Services (USCIS) and Immigration and Customs Enforcement (ICE). Changes to immigration policy can occur through legislation or executive actions, impacting millions of people seeking to immigrate or adjust their status in the U.S..