The Crop Failures of the Mid-1840s Not Only Drove Up

The crop failures of the mid-1840s not only drove up the price of food but also

A) led employers to demand that workers put in unpaid overtime to produce more goods to sell to overseas markets.
B) forced the military establishments of Europe to cut back on recruitment.
C) destroyed medicines based on plant products, making it harder to fight infections.
D) drove down demand for manufactured products, thereby creating widespread unemployment.