Answer:
D
Explanation:
Oklahoma was within the Dust Bowl's region of impact.
https://www.albert.io/learn/sat-us-history-subject-test/great-depression-and-new-deal/the-dust-bowl?page=1
Scientific theories said that dark-skinned people were less intelligent than white people and misguided theories justified the passage of laws that kept African Americans from voting.
West Virginia's leading industry, coal, underwent wrenching changes. In the early stages of the Depression, the industry suffered from a virtual collapse as mining companies failed and unemployment grew, leaving once busy coal camps idle and stranding thousands of miners and their families.
United states, France, Great Britan and, Japan