The parents may feel that slavery is okay to a certain extent because there parents raised them that way and they May have grandparents that owned some "slaves." Now children's attitudes might be different because nowadays you encounter lots of nationalities and races in the USA and were starting to adapt and open up to them wanting to know more about what they do or why they do something different than you might do.
Answer:
There are no questions attached.
The answer is B because its shows the subjects doing something
When the movie ends, what the oak tree does at the theater is that it leaves.
This is a pun supposed to have a humorous effect on the listener or the reader - usually, when a movie ends, people leave the theater. However, since this is a tree, and it's got leaves, you can understand the correlation between the two words.