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B. </span><span>Africa is the world's second-largest and second-most-populous. </span>
Congress had decided that once a slave traveled into a free state, they were free and they could never be enslaved again. But in the Dred Scott decision, they changed their mind and people no longer had to honor "once free, always free."
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Answer:
the land and. maintain the lord's estate.
Explanation:
It’s d or b I think cause I did this befor
A they wanted to protect the people from a powerful government