What are some pieces of information learned from The Adventures of Huckleberry Finn about life in that time?

1- Slaves where made free as soon as they crossed over to
the North

2- Slaves could be made free in their owner's
last wills.

3- It was considered to be morally wrong to
help a slave escape.

4- The poison of a snake was mitigated
by eating a part of the snake.

5- There were people who
lived on the wood and other artifacts that the river brought down when it
rose.

6- There were strong superstitious beliefs among the
blacks.

7- Property that was sold by someone else than its
real owner, had to return to the real owner when it was
discovered.

8- Families of slaves could be sold separately
to different owners.

9 - Captured runaway blacks were
imprisoned till their owners could be found.

10- Runaway
blacks were advertised through pamphlets with their
portrait.

11- The law could take children away from their
partets if they were dangerous or abusive.

12- The coming
of a play to town caused a great sensation.

13- Beds were
mainly made of straw.

14- In some houses, dresses were
hanged on the wall and they were covered by a curtain.

15-
People were very scared of the smallpox, because it was dangerous at that
time.