Congress can print money but not issue licenses states can issue licenses but not print money what constitutional principle explains these contrasting powers

Federalism

Explanation:

The constitutional principle of federalism refers to the distribution of power and responsibilities between the federal government and the states of America. Under this system of government, some powers belong solely to the government like the authority to print money and regulate interstate commerce, and others that belong only to the states like the power to issue licenses. Furthermore, there are also powers shared by both the states and the government, for example, the power to regulate elections.

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.

idk