1. which of the following was a consequence of the second industrial revolution
disease spread quickly due to poor medical care
new sewer systems decreased death rates
skyscrapers caused air pollution
protests increased due to narrow city streets

2. which of the following statements describes the changing relationship between business and labor during the 1880's?
where workers were initially the most powerful force in society, big business consolidated power in management.
big business consolidated similar businesses and fired many workers who were no longer necessary
the increasing need for skilled labor made it necessary for big business to listen to the demands of workers
the invention of the assembly line and interchangeable parts decreased the need for labor, leading to high unemployment rates.