Choose the best answer. What did workers find was necessary in order to gain leverage in negotiating with employers? The workers learned that frequent, widespread, small organized efforts were effective. Large-scale strikes by labor unions often resulted in the loss of jobs The workers learned that small organized efforts were ineffective and often resulted in the loss of jobs. Labor unions only began to gain leverage when they formed large organizations that included virtually all members of the industry, thus making it difficult for employers to ignore or replace them. The workers learned that small organized efforts were ineffective and often resulted in the loss of jobs. The workers found that the only effective method was to form large labor unions that employed violence and force to achieve their agendas