US Constitution — Answer Key
Part A: Fill in the Blank
Write the missing word or number on each line.
1. The 13th Amendment abolished slavery in the United States in 1865.
The 13th Amendment (1865) abolished slavery and involuntary servitude throughout the United States.
2. The 19th Amendment gave women the right to vote in 1920.
The 19th Amendment (1920) prohibited denying the right to vote based on sex.
3. The 26th Amendment lowered the voting age to eighteen in 1971.
The 26th Amendment (1971) lowered the voting age from 21 to 18.
4. To propose an amendment, two-thirds of both houses of Congress must agree.
Amendments begin in Congress. Two-thirds of the House AND Senate must vote to propose an amendment.
5. To ratify an amendment, three-fourths of the states must approve it.
After Congress proposes an amendment, three-fourths of state legislatures (38 of 50) must ratify it.
6. The 14th Amendment guarantees equal protection under the law for all citizens.
The 14th Amendment's Equal Protection Clause requires all citizens to be treated equally under the law.
7. The 15th Amendment says voting rights cannot be denied based on race.
The 15th Amendment (1870) prohibited denying voting rights based on race, color, or previous condition of servitude.
8. There are currently twenty-seven amendments to the US Constitution.
The Constitution has 27 amendments. The first 10 are the Bill of Rights; the rest were added over time.
9. The process of formally approving an amendment is called ratification.
Ratification means formal approval. Amendments require ratification by three-fourths of states.
Part B: Matching
Match each item on the left to the correct answer on the right.
1. Match each item to its correct answer.
13th Amendment
→ Abolished slavery across the nation
Gave women the right to vote
14th Amendment
→ Granted citizenship and equal protection
Abolished slavery across the nation
19th Amendment
→ Gave women the right to vote
Lowered the voting age to eighteen
26th Amendment
→ Lowered the voting age to eighteen
Granted citizenship and equal protection
13th=abolished slavery(idx1); 14th=citizenship and equal protection(idx3); 19th=women's voting rights(idx0); 26th=lowered voting age(idx2)