How did Southerners react to the statements of the abolitionists?

Abolitionism provoked a powerful public response in the south. Many Southerners, plantation owners, politicians, and voters argued that abolitionism was an attack to their entire way of life. They saw slavery as the key to the region's economy.

Explanation:

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