The Fourteenth Amendment was one of the Reconstruction Amendments. And, when you subsequently refer to nouns with a short form, you should also capitalize that short form.
Example Sentences They had argued that Trump was ineligible for office under the Fourteenth Amendment of the U.S. The equal protection clause, enshrined in the Fourteenth Amendment, guarantees that no state shall “deny to any person within its jurisdiction the equal protection of the laws.”
No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.
Cite the United States Constitution, 14th Amendment, Section 2. CORRECT CITATION: U.S. Const. amend. XIV, § 2.
No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States; nor shall any State deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.