I believe that the answer to the question provided above is may of the artworks in 1920 which uses cubism are usually in relation with the WW1.
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
She ask for more things to do
Answer:
Sectionalism is loyalty to one's own region or section of the country, rather than to the country as a whole
Explanation:
This is the definition I found online.
Hope it Helps :)