The expenditure method is the most widely used approach for estimating GDP, which is a measure of the economy's output produced within a country's borders irrespective of who owns the means to production. The GDP under this method is calculated by summing up all of the expenditures made on final goods and services.
As a licensed foster mom, the answer is F. All of above
I would say "B. Who is the enemy?" , because of its generalization and vagueness. I recommend looking deeper into the definitions, but who is the enemy is definitely my choice.
the answer is d. discretionary changes in government spending and taxes