Its not much but, C IS NOT THE ANSWER. So cancel c from choosing, srry i couldnt be as of much help:(
<span>1.Strikes
2.Collective bargaining
3.Support of labor legislation</span>
<span>Una banshee es una leyenda porque es una historia popular (en la mitología irlandesa) de hada cuyo grito se considera un presagio de muerte pero no se ha comprobado que es verdad.<span>
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Urban areas developed subways, elevated trains, and streetcar systems because if all commuters rode in cars it would cause traffic jams and major traffic. It made it easier for people to move around in bigger cities.