The nation's highest court has will hear a landmark case that challenges a longstanding guarantee: automatic citizenship for those born on American soil.
On day one in office this January, the administration enacted a directive aiming to halt the policy, but the order was struck down by federal courts after legal challenges were filed.
The Supreme Court's final judgment will ultimately uphold citizenship rights for the infants of immigrants who are in the US illegally or on temporary visas, or it will nullify the provision altogether.
Next, the court will schedule a date to hear oral arguments between the government and the suing parties, which involve parents who are immigrants and their newborns.
For over a century and a half, the Fourteenth Amendment has established the principle that anyone born in the country is a American citizen, with specific conditions for children born to foreign diplomats and personnel of invading forces.
"Every individual born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States."
The disputed presidential order sought to refuse citizenship to the offspring of people who are either in the US without legal status or are in the country on temporary visas.
The United States belongs to a group of about three dozen nations – largely in the North and South America – that provide automatic citizenship to anyone born within their borders.
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