Plsss help Is us history in 11 grade

Which organization worked for the rights of migrant farm workers?

1. what was the purpose of the communist international organization?

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.