Calling the ruling "too bad" for America, Trump argued that Republicans could "easily make it up".United States President Donald Trump brushed aside the Supreme Court's judgment rejecting his executive order seeking to restrict birthright citizenship.Calling the ruling "too bad" for America, Trump argued that Republicans could "easily make it up" through legislation without resorting to the "long and unwieldy Constitutional Amendment"."The Supreme Court upheld Birthright Citizenship, which is too bad for our Country, but we can easily make it up in Congress through Legislation, with the support of the President, that has now been determined during this process. No long and unwieldy Constitutional Amendment is necessary!" Trump wrote on Truth SocialHe further wrote: "Congress should start TODAY to work on ending expensive and unfair to our Country, Birthright Citizenship. They will have my Complete and Total Support!"Hours before Trump's reaction, the US Supreme Court ruled against his executive order seeking to limit birthright citizenship, rejecting one of the administration's key immigration measures introduced at the start of his second term.Trump's post on Truth SocialIn a closely watched decision delivered on the final day of its term, the court ruled 6-3 to uphold birthright citizenship for nearly everyone born on US soil.The US president had sought to reinterpret the 14th Amendment to the US Constitution, ending the automatic grant of citizenship to most people born in the United States, a principle in place since 1868.Trump had described the existing policy as "a disgrace," while Vice President JD Vance had previously called it "the dumbest immigration policy in the world."The 14th Amendment to the US Constitution states: "All persons born or naturalized in the United States and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside."For more than a century, courts and successive US administrations have interpreted this provision to mean that children born in the United States automatically acquire US citizenship, regardless of their parents' immigration status, as cited by DW.