Practice Quiz

NAEP US History Grade 12

Category - US History

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What statement about the widespread use of vaccines for smallpox and measles in the United States is true?
  1. The vaccines proved ineffective, and these diseases have continued to spread rapidly.
  2. Children caught smallpox and measles at a later age and suffered less from them.
  3. The vaccines led to a dramatic decline in the death rate.
  4. Controversy about the ethics of vaccination prevented their wide-scale acceptance and adoption.
Explanation
Answer: C - The vaccines led to a dramatic decline in the death rate.
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