The answer is B. Ronald Reagan.
Before he was President of the United States he was president of the Screen Actor's Guild.
I believe the answer is: B. apply the brakes
Applying the brakes wouldn't help you to avoid collision in that situation, but it would definitely help in preventing you from being forced to hit the car in front of you. So by doing this, you minimize the amount of damage that happens in the accident and potentially save other people live.
Considering it was during the Great Depression, I would believe that the answer would be C, these leaders promised to improve the economy and stay out of wars.
* Economic turmoil in Germany and Italy contributed to Hitler and Mussolini coming to power.