Identify and explain a cause-and-effect relationship associated with the historical developments in documents 1 and 2. Be sure to use evidence from both documents 1 and 2 in your response.

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.