All of the following limited a citizens right to vote and their political power except:
a. poll taxes
c. gerrymandering
b. literacy tests
d. the 15th amendment

All of the following limited a citizens right to vote and their political power except: the 15th amendment.

Explanation:

The 15th amendment, ratified on February 3rd of 1870, declare that nobody can limit the right to vote for reasons how "race, color, or previous condition of servitude", this was executed after the civil war, giving the opportunity to the Afro-American people for voting, despite that different extremist groups how the Ku Klux Klan and others try to snatch such rights.

i am confused, what is the question? i can you out if you put it into more depth.

is there multiple choice or do you need like an essay answer?