Final answer:
Farmers Dwayne and Peggy were worried in 1986 due to falling grain prices.
Step-by-step explanation:
Farmers Dwayne and Peggy were worried in 1986 due to Falling grain prices. According to the author Kathryn Dudley, farmers faced economic hardships due to declining farm prices, which resulted in overproduction and lower commodity prices. This led to farmers falling deeper into debt and struggling to pay their loans.