Question

jonas salk became well known in the early 1950s because he
○ starred in a popular movie called rebel without a cause.
○ led a movement of people who refused to conform to social trends.
○ introduced a way to mass - produce homes and reduce their costs.
○ developed a vaccine that virtually eliminated polio from american society.

Explanation:

Jonas Salk is known for developing the polio - vaccine. He made a significant contribution to medicine and public health by creating a vaccine that greatly reduced the incidence of polio in American society.

Answer:

developed a vaccine that virtually eliminated polio from American society.