Beginning in mid-1946 American and British policy towards the German economy began to change, illustrated by Byrnes's September speech restatement of policy on Germany[11] (also known as the "Stuttgart speech" or "Speech of hope"). According to Dennis L. Bark and David R. Gress in A History of West Germany the Morgenthau Plan came to be seen as inflicting undue hardship, and so the approach was shifted, over time, to one encouraging German economic expansion. As part of this, the allowed levels of industrial capacity were raised.[12]