The 18th Amendment prohibited the sale of, the transportation of, the manufacturing of any alcoholic beverage. It did have the effect of enforcing a decline in deaths related to alcohol, but it did not entirely fulfill its intent.
Crime increased. Criminal activity increased. Al Capone became one of the richest man in America from the proceeds of black market alcohol. His 100K in the 20s would make his net worth about 18 billion in today's dollars.
The 18th became law in 1919. It was repealed in 1933 just 4 years later. It is the only amendment that suffered this fate.
Three effects are: -Members of both parties share almost equal core beliefs -Two parties create a new division of issues which helps to clarify and classify issues based on differing ideologies -Two parties make it easier to run for office
