A federal law significantly curtailing disenfranchisement of racial and ethnic minorities by banning literacy tests and requiring federal supervision of jurisdictions with a history of voting discrimination is the.

Voting Rights Act of 1965.

Explanation:

Voting Rights Act of 1965 was the laws that were enacted by the 36th President of the U. S., President Lyndon B. Johnson.

The law was passed concerning the inequality faced by African-Americans in practicing their voting rights.

After the incident of Selma to Montgomery March, on March 7, 1965, President Johnson brought the law of the Voting Rights Act into the Law on May 26, 1965.

According to this law, African-Americans were given the right to vote regardless they are literate or not. Johnson, through, Voting Rights Act eliminated the racism faced by ethnic minorities.

So, the correct answer is the Voting Rights Act of 1965.

answer to ur question is college b