The 1951 educational film "Duck and Cover" was commissioned by the United States Federal Civil Defense administration. The film featured an animated character Bert the Turtle whose defense mechanism of retreating into his shell at the sign of danger was meant to teach school children what?
Select one:
a. How to avoid the danger of tornados, hurricanes, or other strong storm activity.
b. What to do in the event of a sudden attack by atomic weaponry without sufficient warning to get to other shelter.
c. How to locate a designated fallout shelter in the event of a nuclear war.
d. What to do at home, school, or abroad in the event of civic unrest.