Conversation so far:
Are there any other interesting aspects about the Palestinian art article?
One of the earliest artists to add a political dimension to his works was Nicola Saig (1863-1942).
What role does politics play in Palestinian art?
While most of the art in his day explored religious themes and non-controversial issues, Saig's work ventured into politics.
What does Saig's work say about politics?
Caliph Umar at Jerusalem Gates given to the Caliph jab what many Palestinians saw as divisive policies of the British which attempted to create friction between Muslims and Christian Arabs.

Question: What other political themes are present in Palestinian artwork?
Self-contained rewrite: What other political themes are present in Palestinian artwork besides divisive policies of the British?