Final answer:
A group of Black students tried to get service at an all-white lunch counter, which helped prompt a coalition of groups who engaged in nonviolent protests.
Step-by-step explanation:
A group of Black students tried to get service at an all-white lunch counter, which helped prompt a coalition of groups who engaged in nonviolent protests. This event is known as the sit-in movement and it played a crucial role in the civil rights movement. The first sit-in protest took place on February 1, 1960 in Greensboro, North Carolina when four Black college students requested service at the lunch counter of a Woolworth's store.
Learn more about Sit-in movement