Which 3 new developments finally brought the success of the women's suffrage movement with reach?

Firstly, the people had their voice heard as whatever movements and public gatherings to increase their the support for their cause got supported and as such their was a more expanded reach for such causes. Secondly, The utilisation of new methods and ways so that whenever they protested or demonstrated it was very peaceful and non violent and shown when they demonstrated outside the white house for a whole day stretch in order to make their voice heard Lastly, they cleverly denied that this was not a national movement so as to avoid being put under just like other groups that are struggling to bring their causes to the awareness of the nation