\if you mean most famous then its the Mona lisa
1.) a
2.) d
3.) b
because if look on the web the information will tell on what you need to now
4)Landscape art, as landscape art focuses on paintings of mountains, rivers, fields, etc. Bob Ross was a good example.
Romantic artworks such as Delacroix's Liberty leading the people were often,
B: intended as type of social commentary.
