Class Discussion p.246 1-2

1. a) invention of the automobile-----ability to travel farther-----redesign of cities
2. The invention of the automobile caused the redesign of cities because people were able to travel further.

1. b) invention of the automobile-----more freedom of young people-----changes in sexual mores
2. The invention of the automobile led to changes in sexual mores because more freedom was given to young people.

1. c) invention of the telephone-----could talk to distant friends and family-----loss of sense of community in neighborhoods
2. The invention of the telephone led to the loss of sense of community in neighborhoods because people could talk to distant friends and family.

1. d) origin of rap in black urban music scene-----desegregation of cities-----the popularity of rap spreads from urban black audiences to white middle-class youth culture.
2. The origin of rap in black urban music scene spread from urban black audiences to white middle-class youth culture because of the desegregation of cities.

1. e) development of way to prevent rejections in transplant operations-----people could live longer unhealthy lives-----liberalization of euthanasia laws
2. The development of ways to prevent rejections in transplant operations led to the liberalization of euthanasia laws because people could live longer unhealthy lives.