How did the greatest gold rush in history begin?

What percentage of people are left handed?

Atraffic cop has pulled over a speeder, only to discover that he has stopped a close friend. the police officer is torn, because his professional obligations demand that he punish the speeder, but his personal obligations suggest that he should give a friend a break. what is this called?

Which scholars explained the roles of the public and private sectors by comparing it to maneuvering a boat?