During the debate over the missouri compromise, henry clay served as

Henry Clay:

Henry Clay was an American politician. He was also a well established lawyer. A native of Kentucky, he was both a U.S. Senator and Representative from his home state. He lived from 1777 until 1852.

Answer and Explanation:

Henry Clay was often called the ''Great Compromiser'' because of his ability to help different factions come together to compromise to reach an agreement. During the Missouri Compromise, he helped Congress agree to make both Missouri and Maine states so that the balance between free and slave states was maintained.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

uncle sam would be tossing and turning in his grave : *)