In Order for the United States to Use Discretionary Fiscal

In order for the United States to use discretionary fiscal policy to deal with a recessionary gap,

A) the public must elect members of Congress that understand economics.
B) the President and Congress must agree on which taxes to hike.
C) time must pass in order for Congress to decide what taxes and government programs to change.
D) the President's and Congress's economic advisors must agree on the proper government programs to slash.
E) the public must understand economics.