Which detail is true about John C. Calhoun? A. He opposed sending American delegates to the Congress of Panama.
B. He cast the deciding vote in Congress to pass the Tariff of 1828.
C. He convinced several states, including Kentucky, to elect John Quincy Adams president.
D. He fought a duel with Henry Clay over the outcome of the election of 1824.

Option: B. He cast the deciding vote in Congress to pass the Tariff of 1828.

Explanation:

John C. Calhoun is a Southern politician who became the 17th President of America. The Tariff of 1828 increased taxes on production goods (imported). The reason for it was to reduce foreign competition with American manufacturing, especially from industrialists in England. The tariff tried to protect American western and northern farming products from the competition with imports.

with my knoladg i would say it was c

he is known for discovering   the fossil of a female hominin australopithecine   known as "lucy" in the afar triangle region of hadar, ethiopia.

hope this !

have a great day!