Why a letter to a madman did not suffice. The Weimar Republic NOT.

http://www.theguardian.com/culture/interactive/2013/oct/12/mohandas-gandhi-adolf-hitler-letter

As tensions mounted in Europe following Germany’s occupation of Czechoslovakia, Mohandas Gandhi, the famously non-violent leader of the Indian independence movement, wrote a clear and concise plea for Hitler to avoid war, but it never reached its intended recipient because of an intervention by the British government. Just over a month later, the world looked on in horror as Germany invaded Poland.