How long did the era of Soviet formalism last?

The film Titanic serves as an example of

A. a fiction film that used the documentary techniques of direct cinema to add realism to the fiction scenes. B. a famous use of documentary elements in modern fiction film. C. a fiction film that profited off the back of documentary work by other filmmakers. D. a film that achieved a lower MPAA rating by adding documentary footage.

A design repeated as a unit in a pattern is called a ________.

Fill in the blank(s) with the appropriate word(s).