During world war ii, many items such as tires, gas, and meat were rationed by the government. rationing means that people can only buy a certain amount of a product that they want. why was rationing necessary?

Many material during this time were used for the wars effort. many things were needed by the military to help end the war so they rationed. certain fabrics for example were not available because they were needed for soldiers. fun fact they also heavily encouraged carpooling to save gas