The Brain Trust.
They were a core group of advisors that helped FDR enact fifteen major laws in their first "hundred days" in office.
"The... shall choose their other Officers, and also a President pro tempore, in the absence of the Vice President, or when he shall exercise the Office of President of the United States."
Answer:
The United States declared war on Great Britain on June 18, 1812. On October 5, 1813 American forces under general William Henry Harrison won the battle of the Thames River. On July 25, 1814 American forces under Major General Jacob Brown and Brigadier General Winfred Scott cross the Niagara River and defeated the British at the battle of Chippewa. On August 24, 1814 British troops invaded Washington DC and burned the capital and the White House. On September 11, 1814 American naval forces defeated the British fleet in the battle of Lake Champlain. On December 24, 1814 the Americans and the British signed a peace treaty in Ghent Belgium. On January 8, 1815 American forces under General Andrew Jackson won the battle of New Orleans.
Explanation: The influential figures are listed above in the names of the leaders.
