Answer:
Mona Lisa Leonardo Di Vinci, The Scream Edvard Munch, Frida Kahlo
Explanation:
A "sub genre" is essentially a classification of something within the genre it has already been classified in. For example hip hop might be a genre of music and a sub genre might be electronic hip hop. Electronic hip hop is another level of specificity to describe a musical genre, beyond the larger genre which is hip hop. This same method could be applied to many artistic concepts and classifications more generally.
Answer:
Mathew Brady
Explanation:
When the Civil War started, his use of a mobile studio and darkroom enabled vivid battlefield photographs that brought home the reality of war to the public.