What are the internal and external conflict in in The Hound of the Baskervilles?

Some of the internal conflicts include Sir Henry's decsion
to return to his home, Baskerville Hall; Stapleton's motivations; Dr. Watson's anxiety
on accompanying Sir Henry to Baskerville Hall; and Sherlock Holmes' efforts to figure
out the crime.

Some of the external conflicts include Dr.
Watson and Sherlock's confrontation with the hound; Sir Henry's conflict with Stapleton;
Hugo Baskerville's confrontation with the "hound;" and Laura Lyons confilct with
Stapleton.