Assuming you mean the Great Plains of the USA- it boosted their sales because of the government buying more wheat to ship overseas to assist in refugee and military supplies, assuming the farmer(s) were not drafted into military service themselves.
Explanation:
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https://eji.org/reports/online/lynching-in-america-targeting-black-veterans/red-summer
hope this helps :) oh and good luck!
Heyo, I believe your answer would be B. increased over each decade.
