What is the basic organizational unit of the federal government?

What is the basic organizational unit of the federal government?
 
  A) The agency
   B) The division
   C) The corporation
   D) The cabinet
   E) The independent bureau

Question -2-

National economic conditions strongly affect electoral outcomes.
 
  Indicate whether the statement is true or false

Question -3-

This agreement sets forth the terms and conditions according to which the Senate will consider a bill, and is individually negotiated by the leadership for each bill.
 
  A) Congressional agreement B) Binding agreement C) Unanimous-consent agreement
  D) Conference agreement E) Joint agreement