A change in supply means that the supply curve has shifted. With a stable demand, this will result in a change in the quantity supplied but also a change in price. A change in only quantity supplied without a change in supply would require a horizontal supply curve. Alternatively a change in quantity supplied and price may occur if there is a shift of the demand curve.

I believe it was France which supplied 3 leaders, while Germany supplied and England supplied 1.

No ligaments are not supplied by blood. No there are muscle so they would not be supplied by blood.

The base word of supplied is supply.

He supplied his own ship.