Why did the hub of film production in America move from the east coast to the west coast ?

There were less copyright laws on the west coast of USA

Which nations film industry does Cousin’s describe as “the best in the world” in the 1910s and why ?

Scandinavia, Denmark because they used light effectively

Give an example of two films and two directors from this place and at this time.

Haxan by Benjamin Christensen

Ingeborg Holm, Victor Sjostrom

Who directed “Birth of a Nation” and why are opinions so divided?

D.W Griffith, the film was very racist and influenced KKK but it was very technically well made.