The conclusion that can be drawn by connecting knowledge of the historical time period with information in the text is that the support of wealthy league women contributed to the successful outcome of the female garment workers' strike.
This is evident from the mention of influential women, such as Mary Dreier and Rose Pastor Stokes, who used their platforms to advocate for workers' rights despite coming from different backgrounds. The combination of their resources and the passionate advocacy for labor rights indicates that their involvement likely played a significant role in raising awareness and support for the strike.