What country's uses republican party? explain

The Republican Party, often called the GOP (short for “Grand Old Party”) is one of two major political parties in the United States

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; severe;