Which is defined by reformers working to make changes to the social illness that industrialization and urbanization had brought about?
A) Reconstruction Era
B) Industrailization
C) Gilded Age
D) Progressive Era

Also I need help with this whole test if any one could help out.

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.

Who was the redcoat leader (major john pitcairn,militias, ralph waldo emerson, concord, captain john parker)

Why did einstein write a letter to president roosevelt