How have you communicated that to the reader? The term is not simple and the debate was begun in August 1916 by Winston Churchill; it has been a political as well as historical football and is been insular, since French and German writing has tended to put the battle into the context of a war of exhaustion (Ermattungskrieg) of the sort foreseen by Moltke the Elder after the Franco-Prussian War. Much of this writing has not been available to anglophone monoglots.