1. 1970 (having an 11.04% rate of inflation)
2. Increased involvement in the Vietnam War, Great Society programs fully in effect.
"The late 1960's increase in inflation was due to the increase of taxes, increase the issuance of currency and cutting public expenditures, in the Lyndon B Johnson government, in order they could meet the military expenses they where having at that moment thanks to the Vietnam war."
3. Consumers lose purchasing power with inflation forcing them to buy less.
"If there is an increase in inflation but not in salary, the amount of earnings will not be powerful enough overtime, which means American consumers would be needing more money to satisfy their daily requirements."
That statement IS arguable because not everyone would agree and also NOT defensible since theres no proof to back it up with, so the answer would be (D)
Washington served as a general and commander-in-chief of the colonial armies during the American Revolution, and later became the first president of the United States, serving from 1789 to 1797