Answer:
OC. The Fourteenth Amendment .
Explanation:
The Reconstruction Era comprises of the years of struggle that America endured to get free from the British rule. It contains the time from 1863 to 1877 in American history, following the American Civil War.
The given quote is from the Fourteenth Amendment of the United States Constitution that was put into force or legally accepted as law in 1868. It provides rights for any person, giving equal protection under the law for anyone, regardless of race, religion, caste or creed, including former slaves.
Thus, the correct answer is option C.