1. The predecessor to the AFL was the:A. Teamsters Union.B. Knights of Labour.C. CIO.D. The International Workers of the World.2. The __________ Act allows states to enact right-to-work laws.A. National Labour RelationsB. Taft-HartleyC. Landrum-GriffinD. Sherman Antitrust3. An industrial union would be organized among a group such as:A. air traffic controllers.B. plumbers.C. airline pilots.D. steel workers.4. When a firm exercises monopsony power:A. the firm increases its profits at the expense of its workers.B. workers gain but the firm loses.C. workers consumers and owners of the firm are made better off.D. both the firm and the workers gain.