I believe that prohibition does not work. It did keep some people from drinking but, if you really wanted to, you could find alcohol in a matter of minutes depending on your location. I do believe, however, that it was a good idea to ban it because it did stop some people from drinking. By not drinking, people were not as crazy and there was less crime.
This is a very good website to explain about the Civil War. It explains every aspect of the war from the start to the finish. http://www.pbs.org/wgbh/
This is a movie that explain how the railroad was built. http://www.pbs.org/wgbh/
WW1 started because of many reasons. One of these is because of the different alliances. Many countries had alliances with other countries and because of this many different countries entered the war to help out the country they had an alliance with.
This website explains about the many different causes of WW1. http://www.angelfire.com/mi3/ww1/