Complex sentence: This organization greatly improved worker influence and rights for skilled workers; however, Heighton's organization did not help, in fact purposefully hurt, women, children, blacks, and unskilled workers, who were viewed as a threat to journeymen.
Split into simpler sentences: This organization greatly improved worker influence and rights for skilled workers. However, Heighton's organization did not help, in fact purposefully hurt, women, children, blacks, and unskilled workers, who were viewed as a threat to journeymen.