The answer is D. They are realistic and show the American West. The reason is because, well, that is what Albert Bierstadt painted. Albert was from Germany, but he made several journeys to the west and made paintings of what he saw.
In music, form refers to the structure of a musical composition or performance. ... These organizational elements may be broken into smaller units called phrases, which express a musical idea but lack sufficient weight to stand alone.
Rotoscoping is an animation technique that animators use to trace over motion picture footage, frame by frame, to produce realistic action. ... This device was eventually replaced by computers, but the process is still called rotoscoping.