Fourteenth Amendment (Section 1) to the U. S. Constitution “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. 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.”

Fifteenth Amendment (Section 1) to the U. S. Constitution

“The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude—“
Which BEST explains how the Fourteenth and Fifteenth Amendments expanded citizenship in the United States?
A) by introducing the concept of due process
B) by redefining citizenship and removing voting limitations
C) by establishing the idea of equal protection under the law
D) by declaring women citizens and giving them the right to vote