To try to print less money and telling people to voluntarily hold down prices
Here are a few reasons:
1. Bootlegging run rampant and people were imprisoned for illegally having alcohol in their possession.
2. People were not allowed to drink freely which led to the creation of speakeasies
3. People wanted the organized crime that went with bootlegging to end
The answer is b, because they are trying to change them to how they seem fit