Labrum - a cover which may be loosely referred to as the upper lip. Mandibles - hard, powerful cutting jaws. Maxillae - 'pincers' which are less powerful than the mandibles. They are used to steady and manipulate the food. Labium - the lower cover, often referred to as the lower lip.
The President, as head of the federal executive branch, is ultimately in charge of enforcing the immigration laws of the United States. In turn, he must make discretionary decisions about whether and when to prosecute immigration law violators through deportation and other sanctions.
States have limited legislative authority regarding immigration, and 28 U.S.C. Â§ 1251 details the full extent of state jurisdiction. Generally, 28 U.S.C. Â§ 994 details the federal sentencing guidelines for illegal entry into the country. By controlling the visa process, the federal government can achieve the goals of its immigration policies. There are two types of visas: immigrant visas and nonimmigrant visas.