Contemporary artists assimilate approaches from all kinds of sources. nathalie djurberg contrasts the medium of often used for children's movies, with violent subject matter.

Nathalie Djurberg contrasts the medium of stop-motion animation, often used for children's movies, with violent subject matter.
Given that Nathalie Djurberg is a contemporary artist known for extravagant and rather quirky art, she found her inspiration in these kinds of oxymorons, or bringing together parts that are often mutually exclusive. So she used something that is usually associated with something aimed towards children to show more violent and mature themes. 

B) 1920s .. is the answer