This was a congressional decision that outlawed voters being subjected to a literacy test and created federal registration for voters.

Voting Rights Act.

Explanation:

The Voting Rights Act of 1965, approved by President Johnson, aimed at addressing legislative obstacles at the local and state level that prohibited African Americans from using their right to vote as provided by the 15th amendment of the constitution of the United States. The law forbade literacy testing and called for the installation of Federal examiners (with the authority to register registered people to vote) in those counties with a history of voter prejudice.

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 the twenty-first amendment, ratified in december 1933, repealed prohibition.

slavery, abortion, donald trump, gay marriage, racial rights, immigration  

explanation:

anything that has been broth up to the supreme court is something of grate political divide   so just look as court cases