Look at the outline of the US Constitution below:

The US Constitution

I. __________
II. Article I: The Legislative Branch
A. Section 1
B. Section 2
C. Section 3
D. Section 4
E. Section 5
F. Section 6
G. Section 7
H. Section 8
I. Section 9
J. Section 10
III. Article II: __________
A. Section 1
B. Section 2
C. Section 3
D. Section 4
IV. Article III: The Judicial Branch
A. Section 1
B. Section 2
C. Section 3
V. Article IV: The States
A. Section 1
B. Section 2
C. Section 3
D. Section 4
VI. Article V: Amending the Constitution
VII. Article VI: The Supremacy Clause
VIII. Article VII: Ratification
IX. The __________ and Amendments

Which of the following correctly completes line I.__________ in the outline above?

A.Bill of Rights
B.The Preamble
C.Checks and Balances
D.The Executive Branch