What did it mean to be 'sold down the river'? O to be transported by boats only
O to be transported down the Mississippi River
O to be sold to a northern plantation
O to be sold for a reduced price

O to be transported down the Mississippi River

Explanation:

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For generations, the phrase "sold down the river" has been used to signify a profound betrayal. "River" was a literal reference to the Mississippi or Ohio rivers. For much of the first half of the 19th century, Louisville, Ky., was one of the largest slave-trading marketplaces in the country.

Explanation:

so it would be B

the authority to tax.

b - those executed came from every social and economic class