Final answer:
The Fifteenth Amendment contains the text mentioned in the question and guarantees that the right to vote cannot be denied or abridged based on race, color, or previous condition of servitude.
Step-by-step explanation:
The correct answer is C. Fifteenth. The text mentioned in the question is from the Fifteenth Amendment to the Constitution of the United States. Ratified in 1870, this amendment ensures that the right to vote cannot be denied or abridged based on race, color, or previous condition of servitude.