 Complete the following phrase:  Tactically, Nr. 9 instructed 2nd Panzer Division to cross the canal between Équancourt and Macourt to then seize the Le Mesnil heights. From there, a southern thrust was to cover 1st Panzers advance; an advance that would take the division from its canal crossing at Moislains to the Rancourt heights. The Somme had large symbolic significance due to its 