What was the relationship between organized crime and prohibition, why?

It was organized crime who supplied the booze. In January of 1920 the American government banned the sale and supply of alcohol, the government thought that this would curb crime and violence, prohibition did not achieve it's goals, leading more toward higher crime rates and excessive violence.

Explanation:

the answer is a) to be able to obey them.

they thoght they were going to nuke each other