Moltke's main task was to revise the Schlieffen plan for modern conditions; however, he ran into great difficulties.
Citation:
Editors. "Helmuth von Moltke chief of German general staff".
The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11807, accessed 20 June 2013.]