The Vietnam War. The USA became involved in Vietnam because it feared the spread of communism. The USA were unable to defeat the Vietcong and were met with growing opposition to the war back home.
Maize, or corn, was crucial for the survival and thriving not only of the early Americans but of modern Americans too.
Maize is easily grown, easily stored, easily transported, and is a good source of food and calories.
So, maize allowed farmers to easily grow food and stockpile reserves for tough years.
