Which reason was NOT a challenge faced by immigrants A: Political corruption led by political machines using the votes of immigrants
B: Many factory jobs available
C: Housing shortage with many people crowed into cheaply built tenement buildings
D: Dishonet employees often taking advantage of immigrant workforce

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.