Which statement is false?

a. walter cronkite supported the space program in the united states by reporting on the events regularly in his broadcasts.
b. the space race against the soviets united americans toward a common goal during a period of much civil unrest.
c. live television coverage brought the news into people’s homes in a far more graphic and realistic way than they had ever experienced with print news.
d. nasa’s astronauts were shielded from the public eye, and no one really knew much about them.