Conversation so far:
What happened to the Jews from the late 18th century to the First World War?
From the late 18th century to the First World War, the Imperial Russian government confined Jews to living within the Pale of Settlement.
What leads the Jews to live in modern Ukraine, Belarus, Poland, Lithuania, and Latvia.?
The Imperial Russian government confined Jews to living within the Pale of Settlement.
What did living within the Pale of Settlement lead the Jews to do?
This caused the creation of Jewish market-villages (shtetls) throughout today's Eastern Europe, with their own markets, schools, hospitals, and other community institutions.
What happened to the Jews during the Pale of Settlement?
Marc Chagall wrote as a boy; I felt at every step that I was a Jew—people made me feel it.
What was wrong with being a Jew during the Pale of Settlement?
Marc Chagall felt that the pogromniks were out for blood. Chagall denied being a Jew, leading the pogromniks to shout All right! Get along!“
How old was Marc Chagall when the pogrom incident happened during his early life?

Question: What did this lead him to do
Self-contained rewrite: What did the Pogrom incident lead Marc Chagall to do?