Answer is A.
It was a brutal thing, oh but yes... It was used many times. Some were brutally beaten, whipped, burned and hanged.--- Alive.
Equal rights for African Americans. The demonstration was a march (for the sake of time I'll use AfnAmn an abbreviation for African American)that was organized by John Lewis a leader in SNCC (Student Nonviolent Coordinating Commitie).Dr. Martin Luther King jr spoke in Selma also.
Car/automotive industry had the greatest impact on the economy in the 1920s, I believe.
The answer is the civilization of the Myans