Note 1 — Chapter XVII
Reading edition
[This was the fact. It was not known until long afterwards that positive engagements had been entered into at Plombi�res between the Emperor and M. de Cavour in the preceding autumn, including the marriage of Prince Napoleon to the daughter of the King of Sardinia, and the cession of Savoy and Nice as a compensation for the conquest of Northern Italy. Cavour had the Emperor in his power, and threatened, if he drew back, to publish the correspondence.]