This is asked for when a defendant cannot receive an impartial trial in the original location

answer; the correct answer is (travel horizontally);

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.

if im not mistaken its a. collective emotional arousal