Accorditn to Article V of the constitution, no amendment may

a. deprive a state of its equal
representation in the Senate.
b. abolish the protections guaranteed
in the Bill of Rights.
c. deny the people the right to vote
because of race, color, or gender.
d. reestablish slavery or other forms
of involuntary servitude.

2 answers

A reading of article V gives the exact answer. What do you think?
http://www.law.cornell.edu/constitution/constitution.articlev.html

Read the last line!

=)