How did the hundred years' war change england politically?

During the 100 Years War, English rulers turned to the Parliament.

The series of wars between France and England was called the Hundred Years War. William the Conqueror united England with Normandy in France when he became after he won at the Battle of Hastings. Both were ruled by him.

The lands owned by England that were located in France became larger, so the kings who followed Henry found out that it was difficult for them to control it.

France’s victory marked the long period of instability that began with the Norman Conquest, when the title "King of England" was added by William the Conqueror.