What was the effect of the use of literacy tests throughout the south after the u. s. civil war?

The literacy test was supposed to be a way to keep African Americans from being able to vote.  They were a series of questions that African Americans would not be able to answer due to them not having an education 

Asuffragette was a member of militant women's organisations in the early 20th century who, under the banner "votes for women", fought for the right to vote in public elections, known as women's suffrage.