How did southners react to reconstruction?

Explanation:

Some southernes left the South altogether while less passive individuals began to incite violence out of their bitterness, they also built factions which would further promote racism. Southerners who approves of reconstruction policies were belittled as 'scalawags'

Factions - A small organized dissenting group within a larger one, especially in politics.

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