 Complete the following phrase:  In the late 13th century Edward I expanded the familia regis to become a small standing army, forming the core of much larger armies up to 28,700 strong, largely comprising foot soldiers, for campaigns in Scotland and France. By the time of Edward III, armies were smaller in size, but the troops were typically better equipped and uniformed, and the archers carried the longbow, a potentially devastating weapon. Cannons were first used by English forces at battles such as 