In the period of industrialization, it was easier to harvest crops so supply went up and demand stayed the same causing prices to drop. The "newly" freed slaves also started farming, increasing the supply.
Answer - He led the army to victory during the american revolution
That's the only answer that actually makes sense
When Upton Sinclair said, “I aimed at the public's heart, and by accident I hit it in the stomach,” he likely meant that his novel The Jungle made people more outraged about the meat they were eating than the injustices facing the typical meat industry employee.