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.

overview. prohibition was a nationwide ban on the sale and import of alcoholic beverages that lasted from 1920 to 1933. prohibition led directly to the rise of organized crime. the twenty-first amendment, ratified in december 1933, repealed prohibition.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.