Why was Alice Paul such a significant woman during the Progressive Era? A. She was the president of the National Woman's Suffrage Association and an author. B. She was the leader of the suffrage movement's most militant wing and proposed an Equal Rights Amendment in 1920. C. She was an African American author who wrote books about racism and separation of races. D. She was the first woman to graduate from Harvard Law School.

B. She was the leader of the suffrage movement's most militant wing and proposed an Equal Rights Amendment in 1920.

Explanation:

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

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.