Final answer:
Black Sunday is closely associated with the poverty and upheavals of the Great Depression, specifically referring to a severe dust storm that occurred during the Dust Bowl era in the United States.
Step-by-step explanation:
Black Sunday is closely associated with the poverty and upheavals of the Great Depression. The event refers to a severe dust storm that occurred on April 14, 1935, during the Dust Bowl era in the United States. The storm resulted in massive soil erosion and agricultural devastation, exacerbating the hardships faced by farmers and contributing to the economic and environmental crises of the Great Depression.
Learn more about Black Sunday and the Great Depression