Because it was the flowing of African American Arts in the 1920s.
Answer:
The opponent process theory suggests that the way humans perceive colors is controlled by three opposing systems. We need four unique colors to characterize perception of color: blue, yellow, red, and green. According to this theory, there are three opposing channels in our vision.
Explanation:
Hey he answer is b, the argicultural revolution
I think that it is a<span> shift from an agrarian economy to a manufacturing economy</span>