qnli question: Camillo di Cavour sent how many troops to aid the French and British forces? sentence: Camillo di Cavour, under orders of Victor Emmanuel II of Piedmont-Sardinia, sent an expeditionary corps of 15,000 soldiers, commanded by General Alfonso La Marmora, to side with French and British forces during the war.:111–12 This was an attempt at gaining the favour of the French, especially when the issue of uniting Italy would become an important matter.