In which region of the country had states not granted women sufferage

With Nevada's vote, only New Mexico, of the continental western states, did not grant women full voting rights before the Nineteenth Amendment. :\ I think I'm not quite sure this is the answer :\ sorry if it's wrong :|

answer; ( action training environment;

i believe the answer is:   psychological  experiment

in this experiment, wilhelm wundt became the first person that implement scientific method in analyzing the pyschological phenomenon.

due to this result, wilhelm wundt also able to make psychology to be acknowledged as a separate scientific field from biology.