How did Hitler successfully become chancellor of Germany?

very brief overview of some of the main reasons

BBC bitesize - good overview as to why Hitler was made chancellor

Excellent summary of reasons why Hitler came to power - includes details on the weaknesses of the Weimar republic

This is likely to contain some good info but you will need to watch it at home - it is restricted in school

Excellent file om Hitler's rise to power - I strongly recommend that you watch this if you don't feel that you know enough. You need to watch it at home though, it is blocked in school.