It was the Paris Peace Conference.
Answer:
the shape of their skull
Explanation: Phrenologists were largely pseudo scientists who attempted to establish a biological basis for differences between the races. This burgeoning science was used to buttress theories of racial inferiority.
Answer and Explanation:
Brokers tried to sell stocks, but no one wanted to buy them. Many people scrambled to buy stocks on margin. People wanted to buy stocks, but there were none left to buy.
