Conversation so far:
What happened to them?
Goodman notes that during this period in Russia, Jews had two basic alternatives for joining the art world.
What leads them their?
other alternative--the one that Chagall chose--was "to cherish and publicly express one's Jewish roots.
What did this lead them to do?
For Chagall, this was also his means of "self-assertion and an expression of principle.
What happened to the people?
"  Chagall biographer Franz Meyer, explains that with the connections between his art and early life.
What was wrong with this?
To My City Vitebsk.
How old was he when this happened?
Years later, at the age of 57 while living in the United States, Chagall confirmed this when he published an open letter entitled, "To My City Vitebsk.
What did this lead him to do?
Why?
Why did I leave you many years ago?
...
You thought, the boy seeks something.
What was wrong with  this dream?
Where did he get it?
How would it come to a boy like him.

Question: What did this lead them to do?
Self-contained rewrite: What did the boy lead Marc Chagall to do?