In Uncle Tom's Cabin, in general Mrs. Byrd's argument for keeping slaves running away is To treat them well
to free them
to not break up family units by selling off a parent or child
all of the above

Tom's wife Aunt Chloe upon his being sold to a plantation in the Deep South says which of the following
"de Lord let stressful things happen sometimes"
"Sich a faithful Critter as yeve been"
"Yell live to see her husband sold or mebbe be sold yourself"
All the above