The continental army's victory at saratoga
The correct answer is C. The battle of New Orleans enabled Americans to win generous terms in the treaty of Ghent.
The Battle of New Orleans was important because it was the last big battle of the War of 1812. American forced repelled the British army and won a decisive victory. This gave the US a good position during the Treaty sign and Britain had to lose some terms.
If you visit the Senate chamber during a session on an average day, you're most likely to find the session presided over by "A. the majority leader" since the Vice President only comes in on special occasions.
Your answer to the question is A