The equilibrium is the price that comes out from adding all the direct related costs in producing the good or service. To this total you have to add the indirect costs, for example, taxes, salaries, etc. Add up both results and you will have the price.
The equilibrium price is the price that covers all your expenses, both direct and indirect. With this price you do not lose nor earn any money.
Rigth to trial is the principle included in the US constitution!!
Roosevelt is telling the American public that maintaining an isolationist policy amidst the war will not protect them. All the freedoms that he listed on his speech would be threatened by the march of the Axis powers and it would be a matter of time when they have to confront this threat.