As a result of the events shown in the illustration, there was a D. Migration of agricultural laborers to California.
Facts about the Illustration.
- It shows huge dust clouds over Kansas.
- These dust clouds were as a result of the widespread degradation of agricultural land in places like Kansas.
With the land full of dust, farmers would not use the land effectively and so agricultural laborers suffered. Some of them then tried to move to California where it was said that agriculture was prospering.
In conclusion, option D is correct.
Find out more on the dust clouds at https://brainly.com/question/1386144.