It depends if it's a single or a double bar line.
if it's a double bar line it's just there to separate the sections of the music and if it's a single bar line all it does it separate the beats in order to make a measure.
Romantic artworks such as Delacroix's Liberty leading the people were often,
B: intended as type of social commentary.
B, It is representational
Great what about you? ahaha