Answer:
B, The town of Kent was afraid the protests would become violent, and the governer of Ohio described the protestors as dangerous.
Step-by-step explanation:
The mayor of Kent asked the Governer of Ohio to send the National Guard. This escalated the situation and caused the rise in violence against the protesters with tear gas and bayonets (those methods were used against the student protestors by the National Guard).
Hope this helped! :]