It was not used everywhere. Nationalism mightve occurred in some places but not across everywhere in African and Asian societies.
There were several leaders of women's suffrage. Elizabeth Cady Stanton, Susan B. Anthony, Alice Paul,but Susan B. Anthony was the main leader. but Elizabeth Stanton was the leader of the suffrage after helping draft the declaration of sentiments.
The open door policy impacts lasted for decades and they have three major impacts; increase Chinese backlash against foreigners. Chinese and American conflict with Japan. Increased US interest in East Asia