The 1960 sit-in at Greensboro, North Carolina: a. did not end with integration of the Woolworth’s lunch counter. b. ended in a riot with ten injured. c. sparked similar successful demonstrations throughout the South. d. encountered a harsh reaction from Greensboro’s police force, which jailed the four ringleaders. e. was staged in one of the most notoriously racist cities of the South, where angry residents remained deeply committed to the racial divide.