Answer:
to mobilize the population
It was the hypodermic-needle model. This model which is also known as hypodermic-syringe model, transmission-belt model or magic bullet theory is a model of communications. It suggests that an intended message is received directly and fully accepted by the receiver. It was largely considered obsolete for a long time.<span> </span>
In the Plessy V. Ferguson case it was ruled that segregation could be continued. The answer is A