What did poor southern whites do as the land became exhausted from farming?

They moved to the north of u.s and all the cites that were in the northern sides when they were exhausted from farming

Cherokee  removal, part of the trail of tears, refers to the  forced  relocation between 1836 and 1839 of thecherokee  nation from  their lands ingeorgia, south carolina, north carolina, tennessee, texas, and alabama to the indian territory (present day oklahoma)  in  the thenwestern united states, and the resultant deaths