France did not surrender without firing a shot. They fielded over 100 division and took 360,000 casualties. In the midst of the German invasion, Mussolini got jealous and tried to seize the territories of Savoy and Nice ceded to France in 1859. On June 10th, 32 Italian divisions invaded, facing 3 French division. The Italians took a few thousand casualties, for a few miles.
I didn’t know that. Thanks. Viva la resistance!