Question

The actions of four African American college students at a lunch counter in 1960 started a?

Answer 1

The answer is the "sit-in movement"

Step-by-step explanation:

Answer 2

Assuming this is referring to the Greensboro sit ins, it started a chain of sit ins at restaurants. The 4 African American college students were the first to challenge the segregation inside restaurants. They sat in at one, which led to others being inspired and joining in by sitting in at other restaurants.