The citizenship of the United States offers the maximum available rights of the United States. The benefits of US citizens they are numerous, including the possibility of sponsoring relatives and relatives so that they can emigrate to the United States. US citizens can live and work permanently in the United States and can not be deported or denied entry into the United States. Citizens have the right to obtain a US passport, which is advantageous when traveling abroad. US citizens they can also receive additional assistance and services from US Consulates and Embassies.