What does auteur mean when applied to filmmakers? Why do these directors qualify as auteurs?

Also, select one of the auteurs and provide the following details:

Provide country of origin of one auteur
Major films
What special techniques did this auteur use?
Your own response about this auteur – why did you choose this auteur? Explain.
Answer the discussion questions at least in 200 words but not more than 300 words.
MLA format