What is the main idea of the article "The Columbian Exchange - A History of Disease, Food, and Ideas?

  following the agreement that was reached in the treaty of indian springs in 1825, chief william mcintosh lost his life. why did this happen

What are the cultural characteristics of mexico?

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?