To what Extent Does the Legacy of the Weimar Republic Explain the Rise of the Nazi Party?

It is widely believed that the rise of the Nazi party in 1933 was due in no small part to the failure of and public resentment towards the Weimar republic. The Nazi party were seen as a solution to a greatly flawed political system. The reason for such little faith in the system has been put down to many things, mainly weaknesses within the Republic itself, like it's troubled birth and weak image or parties inability to co-operate within it. But there are also external factors to take into account, broader trends in German history for instance it's legacy of powerful authoritarian leaders like Otto Bismarck or world wide situations like the economic depression that played a major role in the Republics downfall.
It is believed that the Weimar Republic's downfall was largely down to it's own weaknesses and mistakes it brought down on itself.
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