Why were literacy tests an effective way to prevent African Americans from voting? They had to pay a tax in order to vote.
They weren't allowed to use the grandfather clause.
Most of them still spoke a language other than English.
Most of them weren't able to read and write.

How does federalism limit the power of government in the united states? a. it requires the national government to share power with state governments. b. it ensures that one state cannot make laws that affect all the other states. c. it requires the three branches of the national government to share powers. d. it allows the judicial branch to rule on laws that affect the entire country.

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress.risks are specific to time, situation, and culture.there are never any risks.if a study offers potential benefits, it is not necessary to minimize risks.

Why did separate government develop in ancient greece?