The battle of Vimy Ridge saw General Arthur Currie thoroughly prepare his Canadian troops. Currie understood the necessity of victory in this battle; therefore, he treated it with an
unparalleled degree of seriousness. Previously, few Allied Generals recognized the need for thorough preparation when planning an attack. Currie changed this view by proving his technique greatly improved a regiment's chances for success.
Vimy Ridge protected the important industrial area around Lille. The highest summit, known as Hill 145, was at the northern end. A more southerly height was called Hill 135. From the latter, the ridge broadened and sloped gradually to the southwest and south, until it reached the upper reaches of the Scarpe River. …