Why were certain foods rationed during world war ii?

The correct answer is: "There is a situation or shortage or of excess demand".

Rationing is an allocation system that is adopted in an economy when the amount produced cannot serve the whole demand and there is no price adjustment. This was the case during WWII.  A possible rationing strategy could be "first come, first serve", for example or dividing the total output between the population and allocating a fixed ration for each person.

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation:

an interest group is an organization whose members share common concerns, and try to influence government policies that impact those concerns. elected officials frequently complain about the influence of "special interests" on american politics.