The issue of birthright citizenship continues to provoke intense debate, tracing back over a century to the McKinley administration. In a lesser-known yet pivotal episode of American history, President William McKinley redefined the phrase “in the United States” within the citizenship clause of the 14th Amendment to deny citizenship to individuals born in territories acquired after the Spanish-American War, including Puerto Rico and Guam. This reinterpretation effectively sidelined the precedent that had been established by figures such as Lyman Trumbull, who affirmed that the citizenship clause applied equally to those born within U.S. states and territories.
Following the war, the executive branch argued that while the United States had sovereignty over these newly acquired territories, they remained outside of “the United States,” thereby excluding inhabitants from automatic citizenship. The Supreme Court’s initial encounter with this issue, a series of decisions known as the Insular Cases, notably refrained from definitively interpreting the citizenship clause’s application to U.S. territories. In particular, the case of Gonzales v. Williams exemplified the Court’s hesitance, which left the question unsettled and subject to political agendas.
This hesitance paved the way for lasting implications, as those born in territories such as American Samoa have been designated “non-citizen” U.S. nationals, despite owing “permanent allegiance” to the United States. American Samoans, as well as those in other territories, face significant legal ambiguities and challenges, including restrictions on rights that are afforded to naturalized citizens. The Trump administration’s efforts to redefine the scope of birthright citizenship further highlight how the lack of definitive judicial interpretation has allowed successive administrations to maneuver politically on this contentious issue.
Today, as the Supreme Court faces the Trump administration’s redefinition of the citizenship clause, the implications of past deference become ever more pertinent. The Court is expected to deliberate on whether the President can unilaterally adjust the established meanings of constitutional provisions without seeking legislative input. As legal frameworks evolve, the historical context provides crucial insights into the potential consequences of judicial acquiescence when constitutional rights, such as citizenship, teeter in the balance.