Introduction
The relationship between a nation-state and the non-citizens within its borders is a source of continuous legal and ethical debate. This issue creates a fundamental conflict between two core principles: the sovereign right of a state to control its borders and define its national community, and the universal idea that all individuals, regardless of citizenship status, possess certain fundamental rights. In the United States, this tension is managed through a complex legal framework where the government’s broad authority, especially in matters of national security, often clashes with constitutional protections. This essay will argue that while the government’s interest in national security is a legitimate and significant concern, it does not provide a sufficient justification for completely diminishing the legal protections afforded to non-citizens. Courts ought to balance these competing interests by upholding core due process rights, ensuring that the pursuit of national security does not lead to the erosion of the very principles of justice and fairness that define the American legal system. A diminished standard of legal protection is a dangerous path that ultimately weakens the rule of law for everyone.
The Government’s Authority: National Sovereignty and the Plenary Power Doctrine
The foundation of the U.S. government’s extensive power over immigration lies in the concept of national sovereignty. As a sovereign entity, the United States has the inherent authority to control who enters and remains within its territory. The Supreme Court has long recognised this authority, developing a legal principle known as the "plenary power" doctrine. This doctrine grants Congress almost absolute power to make laws concerning immigration, and traditionally shields these laws from significant judicial review.
A foundational case in this area is Chae Chan Ping v. United States (1889), which upheld the Chinese Exclusion Act. The Court reasoned that the power to exclude foreigners was an "incident of sovereignty belonging to the government of the United States as a part of those sovereign powers delegated by the Constitution" (p. 609). The Court determined that these decisions were political in nature and thus largely beyond the judiciary's power to question. This principle establishes that the legislative and executive branches, not the courts, are primarily responsible for immigration policy. This deference gives the government immense latitude to create rules for admission, deportation, and an individual's status, forming the legal basis for why immigration law often operates with different procedures and standards than other areas of domestic law. The plenary power doctrine provides the government with its strongest argument for why it can, and should, have the authority to supersede certain individual protections in the name of managing immigration and protecting the nation.
The Rights of the Individual: Constitutional Protections for Non-Citizens
Despite the government's plenary power, the U.S. Constitution provides significant protections that are not limited to citizens. The text of the Fifth Amendment states that no "person" shall be "deprived of life, liberty, or property, without due process of law." The Fourteenth Amendment similarly guarantees all "persons" within a state's jurisdiction "the equal protection of the laws." The use of the word "person" rather than "citizen" is critical, as the Supreme Court has interpreted this to mean that non-citizens physically present in the United States are entitled to fundamental constitutional safeguards.
The landmark case of Yick Wo v. Hopkins (1886) was pivotal in establishing this principle. The case involved Chinese nationals who were denied permits to operate laundries under a discriminatory San Francisco ordinance. The Court ruled that the Fourteenth Amendment's protections "are universal in their application, to all persons within the territorial jurisdiction, without regard to any differences of race, of color, or of nationality" (p. 369). This means that once a non-citizen is within the United States, they cannot be denied basic rights afforded to others. In the immigration context, this has been interpreted to mean that non-citizens facing deportation are entitled to procedural due process, which generally includes the right to a hearing, the right to present evidence, and the right to be represented by counsel (although not typically at government expense). Therefore, a clear conflict emerges: while Congress has broad power to set immigration rules, it cannot act in a way that completely violates the fundamental rights of individuals already inside the country.
National Security as a Justification for Diminished Standards
The government's interest in national security presents the most powerful challenge to providing full legal recourse for non-citizens. In times of perceived crisis, the balance often tips dramatically in favour of state authority. Following the 9/11 terrorist attacks, for instance, national security became the primary justification for a range of policies that curtailed the rights of non-citizens, including expanded surveillance, prolonged detention, and the use of secret evidence in some immigration proceedings.
A more recent and prominent example is the litigation surrounding the executive orders limiting entry from several predominantly Muslim countries, which culminated in the Supreme Court case Trump v. Hawaii (2018). The Court upheld the President’s proclamation, showing significant deference to the executive’s judgment on matters of national security. The majority opinion stated that the President has a substantial interest in national security and that courts should be cautious about second-guessing those decisions. This case demonstrates that when the government invokes national security, courts are often reluctant to intervene, effectively allowing for a diminished standard of review and, by extension, a reduction in procedural protections for those affected. The argument is that the potential danger to the nation outweighs the harm to an individual denied entry or subjected to stricter scrutiny. While persuasive to some, this approach risks creating a national security "exception" to the Constitution, where the mere mention of the phrase can justify actions that would otherwise be deemed unlawful.
The Role of Courts in Balancing the Scales
Given these competing interests, courts have the difficult but essential task of striking a balance. They should not grant the government a "blank check" on matters of national security (Cole, 2003). A more responsible judicial approach involves scrutinising the government’s justifications to ensure they are not merely a pretext for discrimination or an overreach of power. Courts can achieve this by applying a form of proportionality analysis, asking whether the government's actions are reasonably related to its stated security goals and are not more restrictive of individual liberty than necessary.
For example, in Zadvydas v. Davis (2001), the Supreme Court placed a limit on the government's power to indefinitely detain a non-citizen who had been ordered deported but whose home country would not accept them. The Court read a "reasonable time" limit of six months into the statute, demonstrating that even in the context of deportation, due process rights guard against arbitrary and indefinite confinement. This case shows that courts can and do push back against the government's claims of absolute authority, carving out protections for individuals even within the deferential framework of immigration law. The extent of legal recourse for non-citizens should, therefore, depend partly on their connection to the country. Someone seeking admission at the border has fewer procedural rights than a long-term lawful permanent resident who has established a life in the U.S. This distinction allows courts to balance national sovereignty at the border while protecting the rights of those who are, for all practical purposes, members of the community.
Internationally, this balancing act is informed by legal instruments like the Universal Declaration of Human Rights and the 1951 Refugee Convention. These documents establish global norms, such as the prohibition on non-refoulement—the principle that refugees should not be returned to a country where they face serious threats to their life or freedom. While not always directly enforceable in U.S. domestic courts, these international principles reinforce the idea that there is a floor of basic human rights that applies to all people, including disenfranchised non-citizens, which sovereign states ought to respect (UN General Assembly, 1951).
Conclusion
The tension between national sovereignty and individual rights is an enduring feature of immigration law. The U.S. government, through the plenary power doctrine, possesses broad authority to regulate its borders, an authority that is amplified when national security is invoked. However, this power is not, and should not be, absolute. The Constitution’s promise of due process and equal protection extends to all "persons," forming a crucial bulwark against arbitrary government action. A diminished standard of legal protection for non-citizens, justified by a broad appeal to national security, is a perilous proposition. It threatens to undermine the rule of law by creating a class of people who are physically present in the country but legally invisible. The proper role of the courts is to act as a measured and diligent check on executive and legislative power, ensuring that governmental actions are grounded in legitimate concerns and not discriminatory animus. While a state must be able to protect itself, how it does so defines its character. Ultimately, upholding fundamental legal recourse for non-citizens is not a threat to national sovereignty but an affirmation of the nation's commitment to justice for all.
References
Cole, D. (2003) 'Enemy Aliens', Stanford Law Review, 54(5), pp. 953-1004.
Chae Chan Ping v. United States, 130 U.S. 581 (1889).
Trump v. Hawaii, 585 U.S. ___ (2018).
UN General Assembly (1951) Convention Relating to the Status of Refugees.
Yick Wo v. Hopkins, 118 U.S. 356 (1886).
Zadvydas v. Davis, 533 U.S. 678 (2001).
