Final answer:
The original U.S. Constitution allowed each state to decide whether to continue the practice of slavery.
Step-by-step explanation:
The original U.S. Constitution impacted the practice of slavery by allowing each state to decide whether to continue the practice. This is represented in option B. The Constitution did not make all slaves eligible for emancipation, require all states to adopt slavery, or establish significant rights of citizenship to slaves born in America.
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