Where was the tactic of the sit-in protest first used?
AAt a Woolworth's lunch counter in Greensboro, North Carolina
BAt a high school in Little Rock, Arkansas
COn a bus in Birmingham, Alabama
DOn a march in Selma, Alabama
AAt a Woolworth's lunch counter in Greensboro, North Carolina
BAt a high school in Little Rock, Arkansas
COn a bus in Birmingham, Alabama
DOn a march in Selma, Alabama