Amendments To
The Constitution of the United States of America
Amendment 14: (Civil War Amendment)

Section 3.  Restrictions on former Confederate officials

 No person shall be a Senator or Representative in
Congress, or elector of President and Vice President, or hold any
office, civil or military, under the United States, or under any State,
who, having previously taken an oath, as a member of Congress,
or as an officer of the United States, or as a member of any State
legislature, or as an executive or judicial officer of any State, to
support the Constitution of the United States, shall have engaged
in insurrection or rebellion against the same, or given aid or
comfort to the enemies thereof.

A14.3.2  But Congress may by a vote of two-thirds of each House,
remove such disability.

Amendment 14, Section 4