Not everything agreed verbally at Plombières six months before surfaced in the Treaty: it was silent on the geo-political understandings covering central and southern Italy. On the military side, The Treaty merely committed France to intervene alongside Piedmont-Sardinia in the event of aggression from Austria. In the event of any military events ending with the creation of a Kingdom of "Alta Italia", the northern Italian kingdom envisaged at Plombières, France would be rewarded, receiving Savoy and Nice.