Popular 30's and 40's genres

The 1930's and 1940's were described as "The Golden Age of Motion Pictures". Back in the 30's and 40's, the cinema industry was still growing, especially in America. In America was the birth of Hollywood. Soon Hollywood became the world capital of motion pictures. Many European film makers went to Holloywood and some say this was what made Holloywood what it is.
Films like The Wizard of Oz and Gone With The Wind are considered classics in the 30's and 40's. A number of horror movies were released in the 30's and 40's including Frankenstien, Dracula, Wolfman etc. It seems that audiences enjoyed the art or horror caught on camera. It entertained them very much.
Films like citizen Kane. Casablanca and Henry V were out at the time and were also very popular. This tells us that audiences at the time were into historical/drama movies.
During the 30's and 40's, British director Alfred Hitchcock was making a diverse genre of movies ranging from romantic comedies to courtroom dramas. A majority of the audience seemed to like Hitchcock's movies including Shadow of a Doubt and Saboteur. Other films of his including Lifeboat was a World War 2 film and Shadow of a Doubt was a thriller.
In conclusion, audiences in the 1930's and 1940's seemed to like a trip to the cinema and it seems that cinema as a whole was an important factor to peoples lives and growth of a still-growing industry. The genres that seemed to be most popular were historical, thriller and horror films.