Board Thread:General Discussion/@comment-10975360-20131129121937/@comment-24577079-20141115033629

GunsnadGlory wrote: Marne is your best shot. Have Von Kluck follow orders, have Gallieni screw up. Either one does it.

Then read The Guns of August. Fantastic book.

Guns, best book ever. Can you sell it in Amazon for the entire wiki?

But yeah, that seems like the most plausible reason. Just dimwaht guns says and you'll (hopefully) be fine.