How did Doña Gracia challenge the pope? O She called for his arrest.
O She led a shipping boycott.
She stopped the Inquisition.
O She started her own religion.

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.

answer; i believe the answer is (b) fascism;

answer; the president uses mass media to gain support for policies;