<human>:  When was the last time the US had a food shortage?
<bot>: The last time there was a food shortage in the US was in the Great Depression. During the 1930s, the United States experienced a major economic crisis, known as the Great Depression. This period was characterized by high unemployment, declining wages, and massive numbers of people losing their jobs. During this time, people were not able to buy food. In fact, in some places, food was rationed.