Who was the founder of the "New Rome" of the East?

A major difference between the work of a "pure" or "straight" photographer, such as Alfred Stieglitz, and the work of a documentary photographer, such as Dorothea Lange, is:

A. the choice of subject matter. B. the era in which the photographers worked. C. the different intentions of each photographer. D. the invention of the digital camera. E. the cost of hiring models.

A major problem of the moving camera involves

A. space. B. time. C. film speed. D. film stock.