Chapter 9: From the video "Why are there still so many jobs?" use examples to explore how despite a century of remarkable labor-saving automation, the fraction of U. S adults who work at a job jas risen almost continuously for the past 125 years. This increase in jobs poses a paradox: our machines increasingly do our work for us: why doesn't that make our labor redundant and our skills obsolete?

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

Question from select the correct answer. what argument is susan b. anthony making in the passage? a. male citizens created the laws to secure the rights of men, so legal reform is required to secure women’s rights. b. women are often punished for committing criminal acts that are pardoned when committed by men. c. women are judged under laws supposedly written only for males, so they are entitled to the same rights as males. d. the court judge modified the original documents to arrest and try anthony unfairly. has anyone else got this?

Read the excerpt from a supporting opinion of the supreme court’s ruling in plessy v. ferguson, 1896. laws permitting, and even requiring, their separation in places where they are liable to be brought into contact do not necessarily imply the inferiority of either race to the other, and have been generally, if not universally, recognized as within the competency of the state legislatures in the exercise of their police power. how does this relate to the premises of brown v. board of education? the brown case addresses whether state legislatures are equipped to judge the quality of education offered at segregated schools. the brown case addresses whether authorities believe that one race is inferior to another when creating public schools. the brown case addresses whether these laws inherently deny certain citizens equal protection under the law. the brown case addresses the legality of using police power to monitor public places separated by race.