Why did they have rationing in WWII?
Why was it so important for them to grow their own foods?
What types of food were they able to grow?
http://www.earthlypursuits.com/AllotGuide/DigforVictory1/DigForVictory1_1-4.htm
http://www.bbc.co.uk/schools/primaryhistory/world_war2/food_and_shopping/