Read the text and answer the question.
In April 1917, the United States entered World War I. The Smith family lives in
the United States and supports the war effort. The family does so in many
ways, including voluntary rationing.
Which is an example of voluntary rationing?
(1 point)
The Smith family collects produce from their neighborhood's community
garden every weekend.
The Smith family uses stamps to purchase their allotments of sugar and eggs
for the week.
The Smith family is unable to buy gasoline to visit their grandmother as it is not
an essential trip.
The Smith family has meatless meals two days a week to help limit their food
consumption.