http://en.wikipedia.org/wiki/Weimar_Republic

Do not use wikipedia as a source as most schools do not except it as one. I have known teachers in HS and college profs give students 0s on papers for citing wikipedia.

But I will answer your question. Look at the Treaty of Versailles/end of WWI. that should be your starting point. As any good textbook should say, the resolution of WWI was the reason WWII happened. Talk about how Germans felt losing the war (in relation to other countries and internally). Obviously you have to talk about the economics of the situation. As for Hitler’s rise to power, thats always an interesting story.

Adolph Hitler was in a group that rose from nothing, but it became very strong and the group elected him their leader and when Germany needed a new leader this group was so strong that they elected their leader in.

I watched this on the History channel and I will have to do some research to get the groups name and how it developed or better yet, you can!