Being from the south I've occassionally heard and used the term "carpetbagger" which doesn't have slavery connotations that I know of but is from the same era.

Being from the south I've occassionally heard and used the term "carpetbagger" which doesn't have slavery connotations that I know of but is from the same era. I've never heard the term copperhead used with that meaning, maybe only people from the north know it?