staple food are found in the us
main staple foods are derived either from vegetals and animal products  including cereals lrb such as rice  wheat  maize  millet  or sorghum rrb  starchy tubers or root vegetables lrb such as potatoes  cassava  yams  or taro rrb  meat  fish  eggs  milk  and cheese
the united states  india  china and brazil are the world s largest exporters of milk and milk products