Russia was the most powerful country during the 1970s to 1990s their priority was to spread communism through out the world
Answer:A
Explanation: I just took a quiz on this with the same question and it was A.
The most direct effect of poll taxes and literacy tests on african americans was that they made it extremely difficult for African Americans to vote freely in elections in the South, since African Americans were at a very unfair disadvantage due to a lack of money and education.