Final answer:
The Dust Bowl caused a decline in population as people left in search of jobs.
Step-by-step explanation:
The correct answer is option A. The Dust Bowl had a devastating impact on the communities of the Southern Plains states. Due to severe drought and poor agricultural practices, the land became infertile and crops failed, leading to economic and ecological disaster. As a result, millions of people were forced to leave their homes in search of job opportunities in other parts of the country.
Learn more about The impact of the Dust Bowl on Southern Plains communities