Answer: Black cowboys have been part of Texas history since the early nineteenth century, when they first worked on ranches throughout the state. A good many of the first black cowboys were born into slavery but later found a better life on the open range, where they experienced less open discrimination than in the city.
Explanation:
Dr. Azure is conducting a research in the area of psychophysics. Psychophysics is described to be a branch of psychology where it deals with the relationship of a mental phenomena and as well as the physical stimuli that Dr. Azure is doing above in the scenario.
They depended on the monsoons.