Gattinara was the source of Charles's shift in policy toward Italy—no other cabinet member pushed for these policies. A year previous to Gattinara's appointment, the English ambassador Tunstal had remarked on Gattinara's preoccupation with Italy. Gattinara had drawn up advance drafts of war plans against Italy, in which he stresses that since God called Charles to be the first prince of Christendom it was fitting that he turn his attention to Italy, saying that anyone who counseled Charles against pursuing Italy in lieu of interest elsewhere was prescribing the king's ruin, shame and blame. Gattinara emphasized the low cost of an Italian campaign, and the necessary troop mobilization necessary for overwhelming force.