Conversation so far:
What specifically occurred before World War II?
In January 1938, Guggenheim opened a gallery for modern art in London featuring Jean Cocteau drawings in its first show, and began to collect works of art.
Did many people come to support Peggy Guggenheim's gallery for modern art in London?

Question: What was some of the advice her friends gave her?
Self-contained rewrite: What was some of the advice Peggy Guggenheim's friends gave her?