13. A supervisor may be included in a worker union.

__ True __False

14. During a union election campaign, any statement by a union supporter to an employee regarding working conditions is considered a threat.

__ True __False

15. During a union election campaign, employers can undertake certain types of surveillance to identify union supporters.

__ True __False

16. An employer's refusal to bargain over certain subjects demonstrates a lack of good faith.

__ True __False

17. Workers have a right to refuse to cross a picket line of fellow workers who are engaged in a lawful strike.

__ True __False

18. After every strike, strikers have a right to return to their jobs.

__ True __False

19. An employer can agree with a union not to handle non-union-produced goods.

__ True __False

20. An employer may hire temporary substitute workers to replace strikers.

__ True __False