why was amendment 18 put into affect?

Answer 1

The 18th Amendment to the american constitution was a ban on alcoholic beverages. The organized crime syndicate became a popular choice, as employer. The most revered albeit revolting of gangsters was Al Capone. Capone was an intoxicating little guy who had buddies named 'All Thumbs', 'Crooked Nose', etc. It can be said that Capone rarely walked and always carried a big baseball bat. Rumor has it: he got his training while attending business school with the Baltimore Orioles. Elliot Ness amongst many other american and canadian police were funded by the government and a clandestine meeting of corporate well-knowns (Chrysler, Mattel, ETC). The next amendment to be passed, 21st, was a reversal of the 18th Amendment.

Answer 2

The 18th amendment was the result of the temperence movement.

The strong temperance movements of the early 20th century found most of their support in women who were opposed to the domestic violence associated with alcohol, and the large share of household income it would swallow, which was especially burdensome to the low-income working class.

Answer 3

http://en.wikipedia.org/wiki/Prohibition#United_States

Basically, it was the control the export and importation of alchol in the United STates

Repealed later by the 21st amendment.