18. the purpose of poll taxes in southern states was to

a. discourage white people from voting .
b. raise money for cash-strapped southern states.
c. discourage african americans from voting.
d. raise money for the south in the civil war.

The purpose of the poll taxes in Southern states was to discourage African Americans from voting. The correct option in respect to all the options given in the question is option "C". In the United States of America the poll tax was a prerequisite for people to vote and this was implemented in several states. This was a discriminating measure that actually wanted to prevent the African Americans from voting. This tax emerged during the 19th century in several states of America.

 

Upheld the 1st amendment according to the u.s constitution. freedom of speech being limited in this case yes national emergencies