Which amendment to the U.S. Constitution primarily establishes the principle of birthright citizenship (Jus Soli)?

💡 Explanation:

The Fourteenth Amendment (ratified in 1868) contains the Citizenship Clause, which declares that all persons born or naturalized in the United States and subject to its jurisdiction are citizens. This is the foundational text for birthright citizenship, or Jus Soli, in the U.S.