Answer:
Fertile River Valleys
Explanation:
The Indus River Valley Civilization and Mesopotamia were all centralized on these fertile river valley because it allowed food to easily grow so they had excess food, bringing more people in.
The answer to your question is,
In 1879 as the result of the efforts of Wilhelm Wundt, who organized the first experimental psychology laboratory at the University of Leipzig.
-Mabel <3
They were drafted for Vietnam war.
Hope this helps :)
