Reconstruction Amendments cheat sheet (13th, 14th, 15th)

The Reconstruction Amendments are the 13th, 14th, and 15th Amendments to the US Constitution, ratified between 1865 and 1870. Together they abolished slavery (13th, 1865), defined birthright citizenship and equal protection of the laws (14th, 1868), and prohibited race-based denial of the right to vote (15th, 1870). On CLEP US History I, they appear across 5 to 7 questions and are guaranteed material: which amendment did what, in what year, and how the courts subsequently interpreted (or undermined) each one.

This guide is a focused drill, designed to be memorized in under an hour. For the broader context on Reconstruction, see the antebellum-period deep dive for CLEP US History I. For overall study sequencing, see the CLEP US History I pillar guide and the CLEP US History I 30-hour study plan.

The three amendments at a glance

Amendment	Year ratified	Scope
13th	1865	Abolishes slavery and involuntary servitude (except as criminal punishment)
14th	1868	Defines citizenship; guarantees due process and equal protection of the laws
15th	1870	Prohibits denying the right to vote based on race, color, or previous condition of servitude

The pattern: 13th frees, 14th makes citizens, 15th gives the vote. Free, citizen, voter is the mnemonic the exam rewards.

13th Amendment (ratified December 1865)

The text (paraphrased; the National Archives hosts the canonical text): Neither slavery nor involuntary servitude shall exist within the United States or anywhere subject to its jurisdiction, except as punishment for crime where the party has been duly convicted. Congress has the power to enforce this article through appropriate legislation.

Why it matters for the exam: the 13th formalizes what the Emancipation Proclamation (January 1, 1863) declared but lacked authority to enforce. The Proclamation freed slaves only in Confederate states still in rebellion, leaving slavery legal in border states (Delaware, Kentucky, Maryland, Missouri, West Virginia after 1863). The 13th Amendment ended slavery everywhere in the United States.

Named tests on this amendment:

• Civil Rights Cases (1883): Supreme Court rules the 13th Amendment authorizes Congress to abolish slavery and its "badges and incidents," but does not authorize Congress to prohibit private discrimination
• Slaughter-House Cases (1873): not directly about the 13th, but limits the scope of the 14th in ways that interact with the 13th's enforcement clause

Two-second drill: 13 = freedom, 1865, abolishes slavery, has a criminal-punishment exception that has been historically contentious (used to justify convict-leasing systems in the post-Reconstruction South).

14th Amendment (ratified July 1868)

The text (paraphrased; canonical text at the National Archives): All persons born or naturalized in the United States are citizens of the United States and of the state in which they reside. No state shall make or enforce any law abridging the privileges or immunities of citizens of the United States, deprive any person of life, liberty, or property without due process of law, or deny any person within its jurisdiction the equal protection of the laws.

Why it matters for the exam: the 14th is the most-tested Reconstruction Amendment because it changes the constitutional architecture of American government. Three doctrines flow from it:

1. Birthright citizenship: anyone born on US soil is a citizen, including formerly enslaved people. This directly overruled Dred Scott v Sandford (1857), which had held that Black Americans could not be citizens.
2. Due process applies to state actions: states cannot deprive any person of life, liberty, or property without due process of law. (The Bill of Rights' due-process clause had previously bound only the federal government.)
3. Equal protection of the laws: states must apply their laws equally to all persons. This is the foundation for every subsequent civil-rights case in American constitutional history.

Named tests on this amendment:

• Slaughter-House Cases (1873): narrowly interpreted the privileges-and-immunities clause, limiting its scope to a small set of federally-protected privileges
• Plessy v Ferguson (1896): held that "separate but equal" public facilities did not violate the 14th's equal-protection clause; this decision stood until Brown v Board of Education (1954)
• Civil Rights Cases (1883): overturned the Civil Rights Act of 1875 by holding that the 14th's enforcement clause reaches state actions, not private discrimination

Two-second drill: 14 = citizenship + due process + equal protection, 1868, overturns Dred Scott, foundation of every later civil-rights case.

15th Amendment (ratified February 1870)

The text (paraphrased; canonical text at the National Archives): The right of citizens of the United States to vote shall not be denied or abridged by the United States or any state on account of race, color, or previous condition of servitude. Congress has the power to enforce this article through appropriate legislation.

Why it matters for the exam: the 15th nominally guarantees voting rights for Black men. In practice, Southern states evaded it for nearly a century through poll taxes, literacy tests, grandfather clauses, white primaries, and outright violence. The exam expects students to know both the textual guarantee and the practical evasion.

The exam will test the loopholes:

• Poll taxes: required voters to pay a fee, disenfranchising poor Black (and white) voters; banned in federal elections by the 24th Amendment in 1964
• Literacy tests: required voters to demonstrate literacy, applied unequally to Black voters; banned by the Voting Rights Act of 1965
• Grandfather clauses: exempted from literacy tests anyone whose grandfather had voted before the Civil War; struck down in Guinn v United States (1915)
• White primaries: Democratic Party primaries (the only meaningful election in much of the South for decades) limited to white voters; struck down in Smith v Allwright (1944)

Critical limitation the exam tests: the 15th covers only race, color, and previous condition of servitude. It does not cover sex (women's suffrage required the 19th Amendment in 1920) or age (the 26th Amendment in 1971 lowered the voting age to 18).

Two-second drill: 15 = voting rights, 1870, race-color-servitude only (not sex), evaded for a century until the Voting Rights Act of 1965.

How the exam asks about these

Pattern 1: which amendment did X? Most direct. "Which amendment guarantees equal protection of the laws to all persons?" Answer: 14th. Memorize the year and the primary scope of each amendment.

Pattern 2: chronological ordering. "Which of the following came first: ratification of the 13th Amendment, the Emancipation Proclamation, the Compromise of 1877?" Answer: Emancipation Proclamation (1863), 13th Amendment (1865), Compromise of 1877 (1877). Practice ordering Reconstruction events.

Pattern 3: cause and consequence. "The Slaughter-House Cases (1873) limited the scope of which Reconstruction Amendment?" Answer: 14th. The exam loves to pair amendments with the major cases that interpreted them.

Pattern 4: contrast. "What did the 15th Amendment fail to address?" Answer: voting rights for women, voting rights based on age, and effective enforcement against state-level evasion. Contrast questions reward students who know what each amendment did NOT do.

Memorization sequence

A 30-minute drill plan that locks in the three amendments cold:

1. Minute 0 to 5: write the table at the top of this guide on a piece of paper, from memory. Year, amendment number, one-line scope.
2. Minute 5 to 15: write each amendment's text in your own words, three to four sentences. Include the enforcement clause for each.
3. Minute 15 to 25: write down two named cases per amendment and what they held. Use the cases listed above.
4. Minute 25 to 30: practice reverse questions. Given "Plessy v Ferguson," name the year, the amendment, and the doctrine it established. Given "1870," name the amendment, the scope, and one limitation.

Done over three or four sessions across a week, this drill is sufficient to lock the amendments into recall memory.