It is federal republic, because oligarchy and unitary republic are totally wrong. And the confederal republic was basically the old USA..
If you mean edible, its something you eat
The first three acts are also referred to collectively as the Coercive Acts, instituted by the British in response to the Boston Tea Party. ... On Sept. 5, 1774, representatives from the colonies arrived to protest the Intolerable Acts and voted to cut off trade from the colonies to Britain.